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一、小侵入体一般概念及其特点小侵入体概念問題,目前还未有統一的解釋,苏联地質学家阿布杜拉耶夫所著成矿作用与花崗岩类侵入作用的成因关系一書中,認为小侵入体具浅成外形,范围小,其单独侵入体露头的横断面很少超过1～1.5公里,呈岩株状或岩墙状;一般具有斑状及細粒状結构。杨敏之同志在57年1期地質知識发表的岩墙与矿脉的互相关系一文中認为小侵入体包括岩株、岩墙、岩斗等直径不大(数百米到数公里)的侵入体。笔者認为小浸入体主要是指火成岩的岩株而言,但可以包括与侵入体有关的岩床、岩脉,其范围根据主要
First, the general concept of small intrusions and their characteristics The concept of small intrusions, there is no unified explanation, the Soviet geologist Abdullayev carried by the mineralization and intrusive role of granite in a book, It is considered that the small intrusive body has a shallow appearance and a small area. The cross-section of its single invaded body outflow rarely exceeds 1 to 1.5 km and shows a rock-like or rock-wall shape; Comrade Yang Minzhi, in his article "Interactions between dykes and veins published in Geological Knowledge, January 57, that small intrusions include intrusions with small diameters (hundreds of meters to several kilometers) such as rock formations, dykes, rock buckets, . The author believes that small dipping bodies are mainly igneous rocks, but may include intrusion related bedrock and dikes, the scope of which is based on major