Bridging the Late Antique Gap in Northwest Arabia: New Archaeological Evidence on the Occupation of Wādī al‐Qurā (al‐ʿUlā [AlUla], Saudi Arabia) Between the Third and Seventh Centuries CE

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ABSTRACT In 2019, the Dadan Archaeological Project (CNRS/RCU/AFALULA) identified a Late Antique village 1 km south of ancient Dadan in the al‐ʿUlā valley (northwest Saudi Arabia). Three excavation seasons at this site (2021–2023) have uncovered a massive building constructed in the late third or early fourth cent. CE —likely over a former Minaean settlement of the third–first cent. BCE —and used until the first half of the seventh cent. CE . These excavations provide the first archaeological evidence about the last two centuries before Islam (early fifth to early seventh cent. CE ), a period previously uncharted in the archaeology of northwest Arabia. An interdisciplinary approach to this site—incorporating archaeology, ceramology, macrolithic tool studies, archaeobotany, archaeozoology and geo‐archaeology—provides the first insights on the material culture, agricultural practices, diet, and even the religious identity of its inhabitants.

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Studying the Subsistence Economy of Northwestern Iran During the Iron Age Through the Bioarchaeological Researches at Tepe Hasanlou
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  • علیرضا هژبری نوبری + 3 more

Northwestern Iran is one of the key regions in the archaeological researches and the field of interest for many scholars, especially during the Iron Age and Proto-Historic period. The Iron Age, which covers the middle of the 2nd millennium B.C. to the middle of the 1st millennium BC, is a highly scrutinized period in terms of the evolution of cultures in the archaeology of Iran. The cultural, economy, and social developments during this age underlined the emergence of the Mannaean (Iron Age II) and Median (Iron Age III) governments, which consequently gave rise to the Achaemenid Empire in Iran. Iranian and Foreign archaeological studies who focused on this period paid attention to various subjects, such as cultural continuity or change from the Bronze Age to the Iron Age, the typology of material culture, settlement patterns, and the debate regarding the Indo-Iranian migration. Tepe Hasanlou is an important ancient site due to its long sequence occupation and extensive excavations, which relatively complete studies, have been conducted in its cultural materials, including architecture, metal objects, pottery, burials, seals, ornaments, and human skeletons. The subsistence economy of the site has not been studied purposefully and comprehensively. In this regard, this paper dealing with the subsistence patterns and the way of human interactions with environment, through the bioarchaeological researches at Tepe Hasnalou specifically and northwestern Iran generally. We used the results of biological anthropology, archaeobotany, and archaeozoology obtaining the given goals. The paper is attempting to synthesis the results of mentioned multidisciplinary studies with archaeological evidences and historical records in order to re-identifying the agricultural and animal husbandry systems. The acquaintance of modern agricultural and animal husbandry activities in northwestern Iran is another possibility, which is very important for the interpretation of ancient subsistence economy. Hence, the geographical landscape, the location of pastures, products of agricultural activities and livestock, and pastoral-nomadism strategies in the region to foraging the herds are introduced in the paper. Fortunately, substantial, large, and well-preserved animal remains from Tepe Hasanlu were kept and curated at the National Museum of Iran. This collection belongs to the last seasons of excavation in 1970, 1972 and 1974, which was not studied before. The floral remains and human skeletons have a better situation considering with conducted studies by physical anthropologists and archaeobotanists. These studies published in the different journals or reports of excavations could give us the general view and awareness about agricultural activities, dietary and nutrition of residence of Tepe Hasanlou, especially during the Late Bronze Age and Iron Age. Other evaluated evidence includes the ancient records of Neo-Assyrian Empire which are mentioned to the governments of the northwestern Iran during the 1st millennium B.C. These records indicated that, Tepe Hasanlou was a province of the Mannaean State with some cultural and political communications with northern Mesopotamia. On the basis of Assyrian records, sheep, cattle, horse, and two-humped camel were the dominant animals of the region. In the 1st millennium B.C., the ancient northwestern powers of Iran used these livestock as tribute to the New Assyrian Empire. In this regard, the current study attempts to compare this historical evidence with the results of bioarchaeological studies. The results indicate the existence of developed agricultural and animal husbandry systems at Tepe Hasanlu during the late 2nd and throughout the 1st millennia B.C. All such evidence supports the existence of a sedentary society that relied on animal husbandry and farming. The results of bioarchaeological, paleoclimatological, and palynological researches demonstrate the presence of socio-economical system of nomadic pastoralism and transhumance during the Iron Age, which probably was in communications with sedentary city societies such as Tepe Hasanlou.

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Tight Gas Exploration in Saudi Arabia
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  • 10.30861/9781407310145
Approaches to Healing in Roman Egypt
  • Jan 1, 2012
  • Jane Draycott

The purpose of this study is to examine the healing strategies employed by the inhabitants of Egypt during the Roman period, from the late first century BC to the fourth century AD, in order to explore how Egyptian, Greek and Roman customs and traditions interacted within the province. Thus this study aims to make an original contribution to the history of medicine, by offering a detailed examination of the healing strategies (of which 'rational' medicine was only one) utilised by the inhabitants of one particular region of the Mediterranean during a key phase in its history, a region, moreover, which by virtue of the survival of papyrological evidence offers a unique opportunity for study. Its interdisciplinary approach, which integrates ancient literary, documentary, archaeological and scientific evidence, presents a new approach to understanding healing strategies in Roman provincial culture. It refines the study of healing within Roman provincial culture, identifies diagnostic features of healing in material culture and offers a more contextualised reading of ancient medical literary and documentary papyri and archaeological evidence. This study differs from previous attempts to examine healing in Roman Egypt in that it tries, as far as possible, to encompass the full spectrum of healing strategies available to the inhabitants of the province. The first part of this study comprises two chapters and focuses on the practitioners of healing strategies, both 'professional' and 'amateur'. Chapter 2 examines those areas of ancient medicine that have traditionally been neglected or summarily dismissed by scholars: 'domestic' and 'folk' medicine with particular emphasis on the extent to which the specific natural environment of any given location affects healing strategies. Chapter Three examines the nature and frequency of eye diseases and injuries suffered by the inhabitants of Roman Egypt. Chapter Four examines the nature and frequency of the fevers suffered by the inhabitants of Roman Egypt, focusing first on the disease malaria, which is attested by papyrological, archaeological and palaeopathological evidence as having been suffered throughout Egypt. Chapter Five examines the dangers that the animal species of Egypt could pose to the inhabitants of the province, focusing particularly upon snakes, scorpions, crocodiles and lions, as attested by papyrological and epigraphic evidence such as private letters, mummy labels and epitaph inscriptions. The concluding chapter underlines the importance for a study of the healing strategies utilised in any province of the Roman Empire (or indeed any region in the ancient world) of taking into account the historical, geographical, cultural and social context of the location in question.

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Devonian Jauf Formation, Saudi Arabia: Orbital Second-order Depositional Sequence 28
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The Archaeology of the Bronze Age Levant: From Urban Origins to the Demise of City-States, 3700–1000 BCE
  • Feb 1, 2022
  • Journal of Eastern Mediterranean Archaeology and Heritage Studies
  • Ann E Killebrew

During the past century, numerous archaeological surveys and handbooks have been published that include summaries of the Levantine Bronze Age (fourth–second millennia BCE: ca. 3800–1100 BCE). The Archaeology of the Bronze Age Levant by Raphael Greenberg is the most recent and in-depth of these treatments. The ways in which such archaeological overviews are approached have evolved over time. The first of these summaries, notably by W. F. Albright (1940 and later editions), presents the results of excavations in pre-WWII Palestine. This was followed by K. Kenyon's 1960 (and later editions) publication, which integrates the contributions of post-WWII archaeology in Israel and Jordan, especially her excavations at Jericho and Jerusalem. These two books, as their titles suggest, linked the archaeological evidence to the biblical and historical record, and they had a broad appeal for both the academic community and the general public. Three decades later and following a dramatic increase in archaeological activity in the region, A. Mazar (1990) and A. Ben-Tor (1992) published updated archaeological summaries of the southern Levant. Both volumes, which served as textbooks for a generation of undergraduate students and valuable reference works, prioritize the archaeological data, examined together with the primary textual sources.Other surveys dedicated to the archaeology of this region emphasize anthropological approaches to reconstruct the social archaeology of the southern Levant (see, e.g., Levy 1995 and Yasur-Landau et al. 2019). One publication, J. M. Golden's (2009) Ancient Canaan and Israel: An Introduction, organizes the archaeological data thematically. Margreet Steiner and A. E. Killebrew's 2014 multi-author handbook is the most comprehensive archaeological treatment of this region and includes both the northern and southern Levant and Cyprus. It serves as a general resource and reference work for the broader Levant and its interaction with neighboring regions.Greenberg's 2019 monograph differs from these earlier publications in his prioritization of processes over agency. Additionally, it centers solely on the Bronze Age and focuses primarily on the archaeological data interpreted through the lens of socio-anthropological theory while minimizing the use of textual sources. As a coherent, up-to-date narrative written by a single author, it also avoids the pitfalls of earlier edited handbooks and surveys comprised of chapters of uneven quality and differing approaches.The Archaeology of the Bronze Age Levant appears in the Cambridge World Archaeology series, whose targeted audience comprises students, professional archaeologists, and academics in related disciplines. The aim of this series is to publish up-to-date surveys of the archaeology of a particular region that integrate findings, contemporary theoretical approaches, and intellectual trends with broader cross-cultural interpretations. Greenberg's volume is solidly situated in the socio-anthropological approach to Levantine archaeology and lives up to the goals of this series. It is written as a narrative that traces social and cultural change in the Levantine Bronze Age and how communities there interacted with the broader developments in the Near East and Mediterranean, ranging from emulation to resistance. Major transregional themes addressed include the emergence of states, international trade and elite networks, and external imperial ambitions. The author also considers the impact of landscapes and places of commemoration as reflected in the archaeological record. The book consists of seven chapters, including an introduction (Ch. 1) and conclusions that summarize the legacy of the Bronze Age Levant (Ch. 7).Chapter 1 introduces the reader to the Levant and its environment. In this volume, the Levant refers to a section of the eastern Mediterranean littoral, the rift valley and the highlands bordering the valley on either side, today forming the modern entities of coastal Syria, Lebanon, Israel, Palestinian territories, and Jordan. Greenberg outlines his rules of engagement and defines the Bronze Age as a period when key human institutions develop, subdividing these into cities, states, markets, military power, legal codes, and institutionalized religion. The fourth–second millennia BCE also witnessed the human impact on the physical landscape, including the appearance of the layered mound (tell), and the integration of the Levant into a Mediterranean world resulting in the establishment of contact networks and interaction (3). This chapter defines the geographical boundaries of the Levant and characterizes it as “a diverse patchwork of environmental affordances and potentialities” and an “ecological mosaic” with a range of microclimates that serve as a buffer to climatic change (6–7). Contrary to much recent scholarship on the importance of climatic change for settlement patterns, social organization, and economic development, Greenberg downplays its impact on the Bronze Age Levant.Chapter 1 also outlines the principal themes that form the framework for this book. They include the ebb and flow of centralization of power, which the author attributes to the tendency of people in the Levant to both emulate the political ideologies of neighboring regions and resist their practical application (13). In his approach, Greenberg begins with the material culture evidence, privileging excavation results over surveys. As contemporary texts are usually fragmentary and often not directly relevant to the material culture interpretation, he uses these texts sparingly, prioritizing the archaeological over the literary record. In each chapter, chronological parameters and the environmental setting are discussed. Main archaeological categories including settlement patterns, architectural features / built landscape, key artifact types, crafts/industries, and burials / mortuary practices are described in detail.Chapters 2 and 3 are devoted to the Early Bronze (EB) I, II, and III, a period of time spanning over a millennium (ca. 3800/3600–2400 BCE) and the focus of much of Greenberg's decades-long excavation and research. Greenberg traces several trends, including the transition from the village-based world of the EB IA, the establishment of more complex mega-villages, and the beginnings of inequality, that appear in the EB IB during the final centuries of the fourth millennium. The latter period also coincides with the first significant interaction between Egypt and the Levant, which Greenberg terms the “first Egyptian intrusion” (13, 57).The following millennium represents the crystallization of fortified population centers and the appearance of “urban ideologies” (13) in the EB II and III. Chapter 3 explores the nature of EB II–III Levantine society. A key question addressed is: Can the EB II fortified cities be considered “urban”? The physical features of these settlements meet some of the criteria usually defined as “urban” (e.g., fortifications and evidence of town planning), as exemplified in contemporary Mesopotamia and Egypt. However, other commonly cited features of urbanization, such as large, clustered populations, writing, and administration, are lacking. These characteristics suggest that the EB II and III Levant represents “partial” urbanization (what some have termed “complex villages”) or, as Greenberg proposes, a uniquely local, “Levantine” urbanism.Chapter 4 investigates the Intermediate Bronze Age (IBA), a 500-year period of time that in the southern Levant is marked by changes in settlement patterns including the abandonment of mound settlements, a shift in mortuary practices, and regional ceramic assemblages based on village workshops. The retreat from urbanism during the IBA is often attributed to the well-documented climatic change that occurred between ca. 2200 and 1900 BCE. However, Greenberg challenges this interpretation, noting (140) it is difficult to evaluate the impact of climate change on microregions within the Levant and the nature of human response to it. As he points out, counterintuitively, the number of settlements in drier, more marginal regions increases in the southern Levant during the final centuries of the third millennium, coinciding with a period of a warming climate.In Greenberg's account, the picture that emerges during the IBA is one of regionally diverse cultural assemblages that are difficult to place chronologically due to the dearth of uninterrupted stratified sequences in the archaeological record and insufficient radiocarbon dates. Although the IBA is culturally distinct from the EB III, some material-culture features demonstrate elements of continuity with the EB III and overlap with the MB I. These findings suggest that, chronologically, the IBA may have partially co-existed with the EB III and MB I, a phenomenon that Greenberg (182) terms in Chapter 5 as “archaeologically coeval.”Chapter 5 examines the first half of the second millennium, conventionally termed the Middle Bronze Age (MBA). The MBA is also often understood as a cultural “regeneration” that represents the apex of Bronze Age urban culture in the Levant. Following his goal of disentangling the textual and archaeological evidence, Greenberg constructs what he terms a new “conceptual scaffolding” (184), which is grounded in the archaeological evidence and radiocarbon dates. This approach leads him to decouple the end of the MB II from the documented expulsion of the Hyksos and link it with the eruption of the Thera volcano that occurred ca. 1600 BCE and doubtlessly had a profound short-term effect on the environment in the eastern Mediterranean.The remainder of the chapter presents the archaeological evidence, mainly from the southern Levant, arranged chronologically and regionally. Greenberg (264–65) concludes, somewhat controversially, that the end of the MB II is marked by societal collapse, coinciding with the period of the Thera eruption but unrelated to disruptions that may have resulted from New Kingdom Eighteenth Dynasty accounts of a “Hyksos expulsion” from Egypt. In his view, this “collapse” is best exemplified by two phenomena: first, what he considers to be a marked discontinuity between MBA and Late Bronze Age (LBA) material culture (a statement that not all archaeologists would agree with); second, a contraction in population that led to a decrease of settlements, both in size and in number, during the LB I.The LBA is featured in Chapter 6. Greenberg outlines the two main themes that serve as the framework for his narrative interpretation of this period: the expansion of Egyptian imperialism in western Asia and the impact of interconnected regional economic networks. Several dozen pages are devoted to the concept that the Levant was “under Egypt's heel.” This view is puzzling since archaeological evidence for Egyptian interaction during the LB I and LB IIA is scant, as Greenberg himself (299–300, 309) points out. Rather, our knowledge of Egyptian engagement in Canaan during this period depends largely on textual evidence: Eighteenth Dynasty annals, which describe periodic Egyptian campaigns to Canaan, and the mid-fourteenth-century BCE Amarna letters. Except for Jaffa, there is little archaeological evidence for an Egyptian occupation during the LB I and IIA. This changes in the thirteenth century BCE, when Egyptian intervention is archaeologically visible but confined to a number of sites that served as Egyptian strongholds, as summarized by Greenberg (291–99, 302–10). Outside of these strongholds, Egyptian artifacts in Canaan are not abundant and, when they do appear, are usually imported prestige objects. Based on the archaeological evidence, there is little support for the view that New Kingdom Egypt “annexed” the southern Levant as Greenberg maintains (287). Rather, the archaeological evidence suggests Egypt appears to have exercised varying degrees of informal to administrative imperialism during the course of the LBA. Though Greenberg emphasizes the role of Egyptian imperialism in the region, when considered in its larger eastern Mediterranean political context, one may question how much Egyptian imperialistic ambitions affected daily life or controlled socioeconomic, political, and cultural developments in the LBA Levant.The second part of this chapter discusses the LB II prestige economy, exemplified by discoveries from Hazor, Megiddo, and other small towns and nodes of ritual power. In this section, Greenberg justifiably highlights the role of interconnected networks in shaping the LBA Levant. The archaeological evidence is unequivocal. The large number of imported Cypriot and Mycenaean objects at Levantine sites and elsewhere reach their apex during the LB IIA and testify to the Levant's integration in LBA global networks. This coincides with a period during which direct Egyptian imperialistic control seems to have been minimal. Not discussed is the central role of copper from Cyprus and long-distance trade in tin in this imperial and elite-controlled exchange system. Unlike many scholars of this period, Greenberg (341–42) does not consider the end of the LBA and transition to the Iron I period, or what he terms the Terminal Bronze Age (ca. 1200–1100 BCE), to represent a period of societal collapse or significant disruption.In his final, seventh chapter, Greenberg considers the legacy of the Bronze Age Levant, asking “what changed, what stayed the same, and what was passed on to the following eras” (354). The first signs of early state formation can be discerned in the EBA. EB II and III polities, which can be described as “just short” of being towns and states, are, in Greenberg's view, the foundations for MBA, LBA, and later Levantine political entities. Another development is the Levant's unique ability to adopt innovations from neighboring cultures and its willingness to absorb technologies, peoples, and ideas. One of Greenberg's more interesting observations is the linear rise in the “capacity for violence” (355) over time, best evidenced by the increase in weapons and human-induced destructions during the course of the Bronze Age. As Greenberg concludes, ultimately it is the geographic characteristics of this region that shaped the Levant and its cultures, creating a uniquely Levantine idiom. Its diverse landscapes, microregions and climates, and lack of unifying geographic features tended to suppress the ability to accumulate great amounts of surplus or wealth (which, in turn, would have required the development of large bureaucracies). These tendencies also encouraged exploitation of the region by imperial powers. The result is the resilience, creativity, and flexibility to adapt to new situations as narrated in Greenberg's masterly, nuanced, and engaging account of the Bronze Age Levant.

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High incidence of childhood type 1 diabetes in Al-Madinah, North West Saudi Arabia (2004-2009)
  • Mar 21, 2011
  • Pediatric Diabetes
  • Abdelhadi M Habeb + 5 more

There is a geographical variation in the incidence of childhood type 1 diabetes mellitus (T1DM) with a steady increase reported from some countries. However, data on the incidence of childhood T1DM in Kingdom of Saudi Arabia are limited. To identify the incidence rate (IR) and epidemiological trends of childhood T1DM in the largest city of northwest Saudi Arabia. All patients with newly diagnosed T1DM aged 0-12 yr living in the city between 2004 and 2009 were identified from different sources. The data were analyzed according to age, sex, and month of presentation. In total, 419 patients (249 girls) were diagnosed between 2004 and 2009 inclusive. The mean age at diagnosis was 6.9 ± 3.5 yr. The mean annual age-standardized IR was 29.0 (95% confidence interval 26.0-32.0). The incidence was significantly higher in the 10-12-yr age group than in younger children (p < 0.001) and higher in girls than in boys (33.0 vs. 22.2 per 100 000; p < 0.001). There was no significant increase in the annual incidence during the 6-yr period (p = 0.68) and more cases were diagnosed during autumn and winter months (p = 0.002). Al-Madinah city has the highest reported incidence of childhood T1DM in the Middle East and North Africa region. Further studies to identify the reasons for this high incidence are needed.

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  • 10.7717/peerj.18687
Prevalence of Theileria ovis in sheep and goats in northwestern Saudi Arabia with notes on potential vectors.
  • Dec 16, 2024
  • PeerJ
  • Ruoa S Almahallawi + 6 more

The prevalence of Theileria spp. infecting sheep and goats were investigated in two cities and surroundings in northwest Saudi Arabia. Blood samples from 403 sheep and goats from Madina (n = 201) and Tabuk (n = 202) cities (177 from sheep and 226 from goats) were investigated. Blood samples were examined microscopically for the presence of intraerythrocytic bodies suggestive of Theileria as well as they were investigated using molecular techniques. DNA was extracted from blood and ticks and subjected to polymerase chain reaction amplification using specific primers. The primers used amplified a fragment of the 18S rRNA region (450 bp) targeting the hypervariable region IV. A total of 63 ticks belonging to five species were collected from sheep and goats for determination of their involvement of lifecycle of Theileria. Ticks were identified morphologically and confirmed molecularly utilizing cytochrome oxidase C subunit 1 gene (COXI) amplification. The results indicated that: microscopic examination revealed 24 (6%) of the samples investigated showed intraerythrocytic bodies suggestive of Theileria. Positive samples were only obtained from sheep whereas goats yielded negative results. A total of 33 (18.6%) sheep samples were positive for Theileria infection using polymerase chain reaction targeting the partial 18S rDNA and DNA sequencing. Theileria infection was more prevalent in animals that were less than 2 years of age compared with older animals. There was no difference in the prevalence of the infection between male and female sheep in both cities. All positive sheep were detected during the summer and none of the samples collected during the winter were positive. Phylogenetic analysis revealed that the sequences obtained from Theileria species reported in the present study grouped with sequences from Theileria ovis from different countries. Ticks were identified as Hyalomma dromedarii, Hyalomma, marginatum, Hyalomma impeltatum and Hyalomma anatolicum anatolicum. T. ovis DNA was detected from Hyalomma dromedarii and Hyalomma impeltatum suggesting that they are potential vectors of this piroplasm in sheep from Madina and Tabuk cities. This report is considered the first report of T. ovis infecting sheep from Madina and Tabuk, furthermore, it is the first report determining the vectors responsible for transmission of the infection in sheep in northwest Saudi Arabia. The data generated from this study will undoubtedly pave the way for the detection and control of ovine and caprine theileriosis in Madina and Tabuk regions.

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  • Cite Count Icon 11
  • 10.1007/s10437-010-9078-9
Material Culture and Indigenous Spiritism: the Katamansu Archaeological “Otutu” (Shrine)
  • Sep 11, 2010
  • African Archaeological Review
  • Wazi Apoh + 1 more

Through the integration of oral history and ethnographic and historical data with archaeological evidence, attempts have been made to understand and reconstruct the settlement history of Katamansu, a late eighteenth-century historic town located on the Accra Plains of Ghana. Two seasons of archaeological excavations at the Koowule site of the town yielded some evidence of the 1826 Battle of Katamansu, a battle that was fought on the site between the Asante and the Ga and their coastal allies of the Gold Coast. The excavations also yielded two spectacular features, whose configuration and content appear to be the remains of a shrine of the Ga people. The features correlate well with ethnographic parallels described by Margaret Field, an anthropologist, in her research on the religion and medicine of the Ga in the 1930s. This paper presents the historical and material evidence of the 1826 battle as well as the analysis of the shrine contents. The shrine features provide insights into an archaeological shrine's mundane materiality. They also expose how local (Neolithic and historic) and European artifacts were recrafted and imbued with medicinal, magical, and spiritual properties to possibly cure and impress patients and supplicants in shrine ritual practices.

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  • 10.1525/sla.2022.6.4.734
Archaeology and History: A Late Antiquity for Britain
  • Nov 1, 2022
  • Studies in Late Antiquity
  • Helena Hamerow

Archaeology and History: A Late Antiquity for Britain

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  • Cite Count Icon 4
  • 10.3390/app13063429
Audio Magnetotelluric and Gravity Investigation of the High-Heat-Generating Granites of Midyan Terrane, Northwest Saudi Arabia
  • Mar 8, 2023
  • Applied Sciences
  • Essam Aboud + 6 more

The Midyan Terrane (northwest Saudi Arabia) is characterized by the presence of a massive belt of radioactive granitic rocks and thick sedimentary cover near the coastal areas. The area is greatly influenced by the tectonic activities of the Red Sea and Gulf of Aqaba, implying its high potentiality of geothermal energy. In the present work, geophysical surveys, including audio magnetotelluric and gravity methods, were integrated to investigate the subsurface structural pattern of the study area, which identified regional deep and shallow fault systems and detected the subsurface geometry/extension of the granitic rocks as well as detecting the thickness of the sedimentary basins near the coastal area. A total number of 80 audio magnetotelluric and 246 gravity stations were recorded, analyzed, and interpreted. Two high-potential geothermal targets were indicated: high-heat-generating granites and thick anomalous sedimentary basins near the coastal areas. High-heat-generating granites are significant in terms of enhanced geothermal systems (EGSs) whereas sedimentary basins play a crucial role in the formation of conventional geothermal systems. Both areas require more exploration plans to evaluate the energy potential of geothermal reservoirs. The results also contribute to the identification of the subsurface orientation and geometry of radioactive granites, providing the necessary parameters to enhance a volumetric estimation for geothermal reserves.

  • Research Article
  • Cite Count Icon 7
  • 10.1007/s12517-017-3081-2
Late Ordovician glacial and glacio-fluvial paleovalley architecture and sedimentation in southeast Jordan and northwest Saudi Arabia
  • Jul 1, 2017
  • Arabian Journal of Geosciences
  • Ahmad Masri

Four recently discovered glacio-fluvial paleovalleys in southeast Jordan and northwest Saudi Arabia are described for the first time. The paleovalleys formed as a result of glacial erosion by series of sub-parallel valley glaciers during the Late Ordovician (Hirnantian) southern hemisphere glaciation on the Arabian Plate. The southwest-northeast orientation of the paleovalleys, Proterozoic erratic clasts and paleocurrent vectors indicate the advance of glaciers and subsequent glacio-fluvial siliciclastics emanating from a paleo-ice sheet located to the south on the Arabian Shield. U-shaped, paleovalley cross-sectional morphologies and gently inclined longitudinal profiles indicate initial glacial erosion of the ‘finger-like’ paleovalleys, probably as wet-based valley glaciers, eroded up to 250 m depth into Late Ordovician marine bedrock formations. Paleovalley-fill sequences comprise a tripartite upwards succession: (a) basal sandstone-dominated tillite with well-rounded, grooved and striated granitoid and metamorphic basement clasts derived from the Proterozoic Arabian Shield together with locally derived, rounded and elongate boulders eroded from the local bedrock at the margins of the paleovalleys (Retrogradational Lowstand Sequence); (b) green chloritic siltstone (Zarqa Formation) deposited during a progradational sea-level rise with marine influence (Transgressive Sequence); (c) coarse-grained, trough cross-bedded sandstone (Sarah Formation) attributed to progradational fluvial sedimentation as glacial outwash. Rapid sea-level rise during latest Hirnantian to Early Llandovery time resulted in marine flooding of the glacio-fluvial alluvial plain and deposition of organic-rich mudstones representing transgressive and high-stand sequences.

  • Research Article
  • Cite Count Icon 3
  • 10.35516/jjha.v17i2.259
Investigation of Paleolithic Localities in the Faid Area of Ha’il in Northwest Saudi Arabia
  • Jun 29, 2023
  • Jordan Journal for History and Archaeology
  • Ahmed Nassr + 4 more

The ongoing archaeological survey and excavations in the Faid area in northwest Saudi Arabia has uncovered remains of a large early Islamic settlement. Paleolithic artefacts discovered in the building foundations of that settlement during the 2019 excavation showed that a Paleolithic site was buried partially by the settlement ruins. An archaeological exploration was carried out in the area around the site in March 2020 that documented three Paleolithic sites (Faid 1 – Faid 3). In February 2021, the archaeological survey was extended to the east and west of the settlement, resulting in the discovery of four additional Paleolithic sites (Faid 4 – Faid 7). The archaeological sites represented two main Paleolithic traditions: Acheulean, identified from the presence of bifaces, and Middle Palaeolithic, represented by production of prepared cores and points referable to the Levallois method. Faid 2 is an Acheulean site, where a systematic survey shows agglomeration of large cutting tools (LCTs) covering an area of 15 hectares. Handaxes and cleavers are the most conspicuous artefacts. Thus, the locations of these archaeological sites and lithic technocomplexes have direct relevance in assessing hominin dispersal routes through Arabia to the rest of Eurasia.

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