Dab tsi yog qhov txawv ntawm serpentine thiab serpentinite?
Dab tsi yog qhov txawv ntawm serpentine thiab serpentinite?

Video: Dab tsi yog qhov txawv ntawm serpentine thiab serpentinite?

Video: Dab tsi yog qhov txawv ntawm serpentine thiab serpentinite?
Video: Qhov Sib Txawv Ntawm Allergy, Flu & Coronavirus Yog Dab Tsi 2024, Tej zaum
Anonim

Serpentinite pob zeb yuav luag tsuas yog ua los ntawm serpentine cov ntxhia. Cov nyiaj tsis muaj zog nruab nrab cov ntawv no muab serpentine nws greasy los yog scaly saib, thiab slippery xav (zoo li ib tug nab daim tawv nqaij). Serpentinite feem ntau muaj ntau cov hlab ntsha, qee qhov uas yuav tau ntim nrog cov pob zeb hauv av chrysotile (ib daim ntawv ntawm asbestos).

Ib yam li ntawd, hom pob zeb twg yog serpentine?

metamorphic pob zeb

Qhov thib ob, serpentinite siv rau dab tsi? Cov serpentine subgroup (ib feem ntawm kaolinite- serpentine pawg) yog cov zaub ntsuab, xim av, lossis cov pob zeb uas pom muaj nyob hauv serpentinite pob zeb. Lawv yog siv li ib qhov chaw ntawm magnesium thiab asbestos, thiab ua lub pob zeb zoo nkauj. Lub npe xav tias los ntawm cov xim ntsuab yog cov nab.

Tsis tas li ntawd, serpentinite tsim li cas?

Tsim thiab petrology. Serpentinization yog geological low-temperature metamorphic txheej txheem uas muaj cua sov thiab dej nyob rau hauv uas tsawg-silica mafic thiab ultramafic pob zeb yog oxidized (anaerobic oxidation ntawm Fe.2+ los ntawm cov protons ntawm dej ua rau lub tsim ntawm H2) thiab hydrolyzed nrog dej rau hauv serpentinite.

Nrhiav serpentinite nyob qhov twg?

Lub sij hawm " serpentine " feem ntau yog siv los ntawm cov pej xeem los xa mus rau hom pob zeb uas geologists hu " serpentinite ." Serpentine tshwm sim nyob rau hauv nruab nrab thiab sab qaum teb California - nyob rau hauv lub ntug dej hiav txwv Ranges, lub Klamath Toj siab, thiab nyob rau hauv lub Sierra Nevada foothills.

Pom zoo: