吉安市东固饰面用花岗岩矿的地质特征及成因分析

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摘要：吉安市东固饰面用花岗岩矿赋存于燕山早期第一阶段第一次侵入岩中。分析该区饰面用花岗岩矿体的裂隙、色斑及色线发育程度，探讨影响节理、裂隙发育的原因及荒料率的影响因素。根据目前市场行情，矿区饰面用花岗岩属于中高档饰面石材，具有开发利用价值。

关键词：饰面板材；矿体地质特征；花岗岩；荒料率

中图分类号：P619.222 文献标识码：A 文章编号：1008-9500（2024）08-00-05

DOI：10.3969/j.issn.1008-9500.2024.08.015

Geological Characteristics and Genesis Analysis of Donggu Decorative Granite Mine in Ji’an City

LAI Jinghuan， ZHANG Xing， ZHOU Yang， XIAO Zhiyong， XI Xianhong

（Ji’an Mineral Resource Reserve Evaluation and Geological Disaster Prevention Center， Ji’an 343000， China）

Abstract： The granite ore used for the decoration of Donggu in Ji’an city is located in the first intrusive rock of the early Yanshan period. Analyze the degree of development of cracks， color spots， and color lines in the granite ore body used for decorative purposes in the area， and explore the reasons that affect the development of joints and cracks， as well as the factors that affect the rate of waste materials. According to the current market situation， granite used for decorative purposes in mining areas belongs to the mid to high end decorative stone material category and has development and utilization value.

Keywords： decorative panels; geological characteristics of the ore body; granite; raw material rate

花岗岩因具有不含有碳酸盐、吸水率小、抗风化能力强等优势，已成为美丽乡村庭院室内外装饰的首选石材[1-3]。（剩余4170字）