Geological Study and Regional Development of Mamberamo Raya Disctrict of Papua Province, Indonesia

Abstract

The goverment of Mamberamo Raya district was established through Act No. 19 of 2007 dated 15 March 2007 as part of the administrative area of Papua Province. The administrative age of this district is relatively young requires hard work of all components in facing development challenges so that necessary strategic steps of vision and mission of regional development to achieve ideal conditions of spatial which as direction of the desired embodiment in the future. Regional development covers all technical aspects including the geological aspect that the area is located on the morphology of the mountains and Mamberamo watershed. Strategic steps require policy as an action to achieve the goal with the elaboration of operational steps to realize the welfare of peoples equally and sustainably according to the potential physiogeography of Mamberamo watershed. The geological aspect as the consideration of technical that this region belongs to the regional tectonic which is divided into the difference of fault in the north there is Yapen fault and in the south is Mamberamo-Gauttier Fault and also a consideration on the stratigraphic structure of various rock types including the dominance of sedimentary rocks. This study examines geological aspects as an element of earth science in spatial planning in Mamberamo district, especially Kasonaweja and Burmeso. The analysis is presented based on field data, in the form of geographical map data of geological structure, geological map, and earthquake data described by cluster pattern indicating regional motion relationship and rock characteristics that make up Mamberamo watershed. It finds land characteristics controlled by geological structures, rock arrangements and landforms in response to landslide, flood and seismic changes.

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