kev qhia txog roj ntsha
Lithology yog ib qho kev xav ntawm thaj av uas muaj kev txo qis thiab hloov pauv tom qab, thiab nws yog qhov qhia tau zoo tshaj plaws ntawm kev kawm tiav roj txheej. Cov yam ntxwv lithological ntawm cov txheej txheej feem ntau tsaus, nplua-nplua nuj, nplua nuj hauv cov organic thiab micro-kab mob pob txha, thiab feem ntau muaj cov pyrite dispersed qhia txog ib puag ncig kev txo qis, thiab qee zaum cov roj noob txiv yuav pom.