高变质花岗岩－绿岩带
high grade metamorphic granite-greenstone belt
泥岩泥化物固化体
Chemorheology
stabilized slaking mudstone SSM
砂泥岩
sand shale
Sandstone Mixed with Mudstone
砂泥岩薄互层
thin interbedded sandstones-shale formation
thin sand-shale interbed
interbeded sandstone and mudstone
砂泥岩薄互储层
thin interbed of sand and shale