Abstract
Mining of split rock or ultramafic igneous rock, located in the Awangbangkal area, Karangintan District, Banjar Regency, South Kalimantan Province, causes steep slopes. The formation of the Meratus Mountains is an oceanic bedrock that is exposed to the earth's surface and is mined by local residents using simple tools or semi-mechanical equipment carried out by the company. Positive impacts arise but negative impacts will also build up over time. Day by day more dangerous slopes were formed. The local government became worried because it was dangerous. This writing is compiled based on the results of direct measurements in the field using the Theodolith unit. The measurement results are processed using Autocad Landesktop 2009 software. The analysis is by classifying the slope of the formed slopes according to the data that is already in digitized form. The result is a dangerous area on the east side, because it has a slope of 25% -45% (steep). Although from a geological point of view this area is stable because it is formed by igneous rocks, from the local government side this is a concern for the people who do work in the area.
Highlights
Akibat dari melimpahnya batu split dan Lokasi penelitian berada di wilayah Kabupaten pembangunan fisik yang berlangsung, munculah
an oceanic bedrock that is exposed to the earth's surface
The local government became worried because it was dangerous. This writing is compiled based on the results
Summary
Konsesi yang diberikan oleh pemerintah daerah setempat menjadikan areal ini sarat dengan kepentingan bisnis batuan “split” menjadi semakin marak. Menurut Peta Geologi Lembar Banjarmasin 1720 edisi 1994, area penelitian yang mempunyai luas [104,72] ha (lingkup garis merah pada Gambar 2) ini didominasi seluruhnya oleh Batuan Ultra Mafik berupa Peridotit (Sukandarrumidi, 2009). Seperti yang terlihat pada Gambar 2, Peta Geologi METODE PENELITIAN yang dibentuk oleh formasi batuan Pratersier, namun. Metode penelitian dimulai dari kegiatan pada arsir warna biru (bagian timur) terdapat kegiatan lapangan dengan acuan Peta Topografi menggunakan penambangan yang mempunyai kemiringan lereng Peta Rupa Bumi Lembar Martapura 1712-52 dan terjal dengan resistensi batuan yang lebih kuat. Penampang melintang diselaraskan dengan metode yang dikemukakan oleh Darius Puas, 2010 yang menekankan aspek detail bagian-bagian pada relief secara 2 dimensi maupun 3 dimensi. Prosentase kelerengan yang telah dikategorikan menurut William D Thornburry 1969
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