Sort by
4 - Weathering of Inorganic Materials: Dating and Other Applications

This chapter describes weathering to mean any alteration that occurs to the surface of a material as a consequence of chemical interactions with its atmospheric, aquatic, or soil environment. The resulting surface is often referred to as patina. The international emphasis on the safe disposal of nuclear waste materials has provided the funds and interest required to develop a scientific understanding of weathering. Future problems of chemical waste disposal and acid rain promise to maintain the momentum in this important area of research. The understanding of weathering has been significantly enhanced by the availability of routine surface-analytical equipment capable of submicrometer spatial resolution. New instrumentation can provide assistance in the interpretation of materials from archaeological sites, including how they are transformed through time. One must also keep in mind that the interpretation of data obtained from these techniques relies heavily on the understanding obtained from a variety of archaeological analyses. Previous knowledge on the part of the archaeologist about prehistoric contexts is important in the ability to interpret intelligently the data that result from the application of instrumental techniques. The collaboration of archaeologists, materials scientists, and surface scientists has provided the necessary cross-fertilization to produce a fundamental understanding of the weathering problem. Archaeologists, although interested in weathering for different reasons, have helped to confirm the findings of the materials scientists.

Relevant
1 - The Formation of Ethnographic Collections: The Smithsonian Institution in the American Southwest

Museums around the world hold countless ethnographic and archaeological artifacts, objects that have been analyzed and are waiting to be reanalyzed in light of recent theoretical advances. Several scholars, including Kroeber (1954), Collier and Fenton (1965), Fenton (1974), and Ford (1977), have pointed out that although museum collections are invaluable for anthropological research, the anthropological community has not been making effective use of these resources since the 1930s. Reasons for this lack of use are many and varied. This chapter describes another reason for the lack of use of museum collections—most researchers have understood neither the procedures employed in making the collections nor the assumptions and decisions that surrounded and informed their construction. The chapter describes some basic principles of museum collecting and of the use of objects in museums. It also explores the collecting activities of one institution in a particular time and place—collecting by the Smithsonian Institution in the American Southwest in the late 19th and early 20th centuries— to document the processes of museum collection, to illustrate that no ethnographic collection contains a random sample of objects, and to show that the collections that resulted are better for some research problems than others.

Relevant
1 - The Use and Abuse of World Systems Theory: The Case of the Pristine West Asian State

This chapter discusses the use and abuse of the world systems theory. Fried's concept of a pristine social formation or society considered almost in isolation from other societies has been criticized as never operative or too ideal and misleading a type to be useful. Whether one prefers to refer to peer polity, cluster, or some other form of intersocietal interaction, the basic fact remains that the development or cultural evolution of any society is dependent upon its relations with other societies; that cultures are open, not closed, systems; and that studies, be they based on excavations of a site or settlement data from surveys of precisely defined, well-demarcated, but bounded areas, that fail to consider broader patterns of interaction are necessarily incomplete and partial. The modern world system is distinguished by primarily economic as opposed to political, cultural, or presumably even ideological linkages among its constituent parts. Political diversity, primacy of the economic sphere, and control and development of a technology capable of supporting and expanding such a system are the critical variables, according to Wallerstein, that distinguish the modern era from ancient and medieval times. The modern world system is also characterized by a highly complex global division of labor that results in major regional differences; some areas become exporters of primary resources, while others produce and successfully market.

Relevant