Kev faib tawm ntawm Ntuj Pob Zeb Thiab Cov yam ntxwv ntawm cov khoom siv pob zeb
Jul 17, 2021
1. Sandstone:
Sandstone tiag tiag yog pob zeb sedimentary, uas yog ntxhib thiab xoob, thiab tej zaum yuav xoob thiab deformed thaum ntub; Txawm li cas los xij, nws feem ntau siv rau kev kho kom zoo nkauj phab ntsa vim nws qhov tshwj xeeb concave thiab ntxhib ntxhib ntxhib los mos, uas yog ze rau qhov ntxhib thiab ntuj zoo nyob hauv roob thiab hav zoov.
2. Slate
Slate yog ib hom metamorphic pob zeb nrog cov qauv phaj thiab yeej tsis muaj recrystallization. Cov pob zeb qub yog argillaceous, silty lossis nruab nrab tuff, uas tuaj yeem raug stripped rau hauv nyias ntu raws cov kev taw qhia ntawm foliation. Cov xim ntawm slate sib txawv nrog cov impurities nws muaj, thiab cov uas muaj hlau yog xim liab los yog daj; Carbonaceous yog dub los yog grey; Calcium muaj yuav blister nyob rau hauv cov ntaub ntawv ntawm hydrochloric acid, yog li nws yog feem ntau hu ua thiab cais raws li nws cov xim, xws li ntsuab slate, dub slate, calcareous slate, thiab lwm yam.
