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