近年来,湖北省第八地质大队在大洪山地区普查找矿过程中,相继发现了一批苦橄玢岩,玻基纯橄岩等超基性火山岩岩体。现将本区的苦橄玢岩岩性特征概述如下。一、岩体地质简述出露在大洪山南麓的超基性火山杂岩带,目前已发现了近百个苦橄玢岩和玻基纯橄岩岩体。 In recent years, the Eighth Brigade of Hubei Province in the Dahongshan area census prospecting process, have found a number of bitter olive rock, glass-based dulcimer and other ultrabasic volcanic rock mass. The lithological characteristics of bitter olive rock in this area are summarized below. First, a brief description of rock geology Exposed to the ultra-basal volcanic complex in the south of the Dahongshan complex, so far has found nearly 100 bitter olive rock and glass-based pure pumice rock.