研究剖面位于洛川源北部的富县县城东郊。
The section situated in the north of Luochuan Yuan, lies in the east suburb of Fuxian County.
富县探区上古生界主力烃源岩是煤系，该煤系有机质含量和成熟度均较高，是上古生界气藏的基础。
Upper Paleozoic primary source-rock in Fuxian exploration area is a coal system with organic matter content and maturity, higher, which is the basis of Upper Paleozoic gas reservoir.
二道岭矿区侏罗系的成因属鄂尔多斯中生代盆地西缘的陆相碎屑沉积， 岩石地层自下而上为富县组、延安组、直罗组和安定组。
The Erdaoling mine is located on the western margin of the Mesozoic Odors basin and belongs to continental clastic deposit during the Jurassic period.
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