Based on the multipurpose analysis results of the geologic characteristics of the Yinnao manganese-silver polymetallic ores,it is considered that in the surveyed area there are four types of manganese-silver polymetallic ores,namely,the altered rock type,the contact zone type,cataclastic zone type ...
The rock sequence is crosscut by numerous granitoid dikes and is located above the gently dipping roof of the Shartash granite massif [2, 3]. Mineralization is represented by sulfide‐ quartz veins in the granitoid dikes and host rocks and by disseminated gold‐sulfide mineralization in the ...
Igneous Rock found in Santoroni, Greece (from wiki): .Metamorphicrocks are reformed rocks due to different extreme heats and pressures. They are the alterations of pre-existing crystallized rocks. They have their own structure, grain size,healing propertiesand mineral contents. Clay minerals, quart...