Nyob rau hauv qhov kev ua yuam kev tawm tsam (tseem hu ua qhov ua yuam kev, rhuav tshem qhov txhaum lossis qhov tsis sib xws), qhov txhaum ntawm lub dav hlau (dav dav hlau) feem ntau nyob ze rau ntsug, thiab footwall txav tom qab sab laug lossis txoj cai nrog me ntsis ntsug ntsug.
Puas footwall txav?
Strike-slip faults
Nyob rau hauv qhov kev tawm tsam-plam qhov txhaum (tseem hu ua qhov yuam kev, tsim kua muag los yog qhov ua txhaum transcurrent), qhov txhaum saum npoo (dav hlau) feem ntau yog nyob ze ntsug, thiab footwall txav tom qab sab laug lossis sab xis nrog me ntsis ntsug.
Qhov txawv ntawm footwall thiab dai phab ntsa yog dab tsi?
Cov phab ntsa dai yog qhov thaiv ntawm pob zeb saum cov kab txhaum. … Lub footwall yog thaiv pob zeb hauv qab kab txhaum. Koj tuaj yeem taug kev ntawm nws zoo li hauv pem teb hauv qab koj.
Qhov kev taw qhia twg yog qhov taw qhia taw mus rau qhov tsis raug?
Txoj kev txhaum ib txwm txav los ntawm kev txav ntsug qhov chaw dai-phab ntsa txav downward txheeb ze rau footwall raws qhov poob ntawm qhov txhaum.
Puas muaj footwall Nyob rau hauv qhov kev ua txhaum yuam kev?
Strike-slip faults yog ntsug thiab yog li tsis muaj dai phab ntsa lossis footwalls. Yog hais tias cov phab ntsa dai poob rau ntawm phab ntsa, koj muaj ib qho txhaum cai. Ib txwm ua txhaum tshwm sim nyob rau hauv cov cheeb tsam uas txuas ntxiv (stretching).