Research on Volcanic Rock Types and Characteristics in Ou Area

Abstract:

Through core observation and description, whole rock chemical analysis, thin section identification and logging identification method, The volcanic rock of this area is mainly basalt, trachyte and tuff, three major categories, further divided into 10 subclasses. Basalt intergranular-intersertal structure, the main minerals are plagioclase , sodium feldspar and mafic pyroxene , belong to alkaline series,infrasonic wave, low natural gamma, high resistance, high density; Trachyte ,typical rough structure, high content of feldspar, the negative anomaly of naturalelectric potential, high resistance, high natural gamma measurement, infrasonic wave;Tuff, tuffaceous texture, massive structure, rock is composed of lithic, vitric, crystal and volcanic ash, ingredients to alkali feldspar, biotite, plagioclase etc, low natural gamma, low resistivity , low density.

• Periodical: Applied Mechanics and Materials (Volumes 522-524)
• Pages: 1322-1325
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.522-524.1322
• Online since: February 2014
• Authors: Wei Hong Yi*, Jing Jun Zhang, Cheng Zhi Liu, Yong Liang Yang
• Keywords: Basalt, Logging Identification, Thin Section Identification, Trachyte, Tuff

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