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现代矿业 ›› 2024, Vol. 40 ›› Issue (02): 63-66.
为支撑中国精细化高端制碱产业对矿产原料的需求，在曹溪矿区开展深部钻探和地表
槽探等工作，查明矿区范围内制碱用灰岩矿体特征及空间分布，以分析矿床成因。通过分析勘查成
果，发现矿床属稳定的沉积型化学碳酸盐型矿床，沉积环境处于低碱低能的浅海开阔台地环境，含矿
构造为平缓向斜，矿体形态及空间展布随二叠系下统马平组地层分布，优质矿石主要为灰色巨厚层
状微晶灰岩和生物碎屑灰岩。将岩石学特征作为首要的找矿要素，马平组地层作为主要的找矿标志
层，为曹溪至盘岭一带找矿提供指导。
In order to support the demand for mineral raw materials in China's refined high-end alkali
industry，deep drilling and surface trenching were carried out in Caoxi mining area to find out the character⁃
istics and spatial distribution of limestone ore bodies for alkali production in the mining area，so as to ana⁃
lyze the genesis of the deposit. By analyzing the exploration results，it is found that the deposit belongs to a
stable sedimentary chemical carbonate deposit. The sedimentary environment is in a low-alkali and low-en⁃
ergy shallow open platform environment. The ore-bearing structure is a gentle syncline. The shape and spa⁃
tial distribution of the ore body are distributed with the lower Permian Maping Formation. The high-quality
ore is mainly gray thick layered microcrystalline limestone and bioclastic limestone. The petrological charac⁃
teristics are taken as the primary prospecting elements，and the Maping Formation is used as the main pros⁃
pecting marker layer to provide guidance for the prospecting in the Caoxi-Panling area.
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