- : geology
- n.: lateral planation, intruded rock, intrusive rocks, isoclinal fault, isoclinal valley, isostatic compensation, xyloid lignite, glacial outwash, Middle Pennsylvania, phosphorite rock, interfacial angle, pudding stone, glacial retreat, saturated rock, schistose structure, axial plane schistosity, shrinkage theory, subsequent river, superincumbent bed, soil characteristics, disappearance of outcrop, basement complex, bedding plane, sea chasm, frost churning, nivation cirque, combination gas, contraction joint, cretaceous period [system], diluvial epoch, intercalary strata
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污染