%0 Journal Article
%T Research on Methods of Identifying Volcanic Rocks:An Example from Shahejie Group in 5th Structure, Nanpu<br>利用测井资料识别火山岩岩性的方法探讨——以南堡5号构造沙河街组岩性圈闭为例
%A LI Zu-bing
%A LUO Ming-gao
%A WANG Jian-wei
%A YANG Can
%A <br>李祖兵
%A 罗明高
%A 王建伟
%A 杨灿
%J 天然气地球科学
%D 2009
%I 
%X The Shahejie Formation of the 5th structure in Napu sag is buried deeply. Its stratigraphic skeleton is composed of volcanic and sedimentary rocks. It is hard to recognize the distribution of volcanic lithology owing to its complexity and the lack of core data, thin slice data and elements logging data. This paper firstly uses core data, thin slice and reliable logging data for the research of volcanic lithologic types, used cross plots to separate sedimentary rocks from volcanic rocks, then used the M\|N cross plot to separate the same type of volcanic lithologic rocks apart which are with different architecture and structure. The results of core data, slices, cross plots and M\|N cross plots were used as training samples, and equations of 10 parameters, 9 parameters, 8 parameters and 6 parameters were established. The coincidence rate attains over 80%, which shows that the dentification method is feasible in the study area.
%K Lithologic discrimination/Cross plot/Multi\zz
%K parameter discrimination/Nanpu sagzz<br>岩性识别
%K 交会图
%K 多参数识别
%K 南堡凹陷
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=E8CFCA71B77A2FF3&jid=ACDC74B90F609E2435847898490F3647&aid=DD8B43804BBF3759B6602ABAA113089D&yid=DE12191FBD62783C&vid=A04140E723CB732E&iid=CA4FD0336C81A37A&sid=A63576421B012172&eid=7F5DDA4924737DF5&journal_id=1672-1926&journal_name=天然气地球科学&referenced_num=1&reference_num=9