Open AccessResearch on the Division of Small Layers of the Yan’an Group in the Western District of Mahuang Mountain
Author(s) -
Dongxv Fan,
Tan Shu-cheng
Publication year - 2021
Publication title -
open journal of yangtze oil and gas
Language(s) - English
Resource type - Journals
eISSN - 2473-1900
pISSN - 2473-1889
DOI - 10.4236/ojogas.2021.64015
Subject(s) - division (mathematics) , geology , group (periodic table) , layer (electronics) , petroleum engineering , paleontology , chemistry , arithmetic , mathematics , organic chemistry