Upfolds hu ua " anticlines, "downfolds hu ua "synclines," thiab broad downfolded area hu ua "basins. "
Dab tsi yog Upfolds?
noun. Lub ntsiab lus ntawm upfold (Ntu 2 ntawm 2): cov pob zeb stratified uas yog folded upward rau crest: antiline.
Koj hu li cas rau Upfolds thiab Downfolds hauv faulting?
txheej pob zeb ntawm cov teb chaws av av khoov rau hauv upfolds hu ua anticlines & downfolds hu ua synclines.
Dab tsi yog folds hauv thaj chaw?
fold, hauv geology, undulation lossis nthwv dej hauv cov pob zeb stratified ntawm lub ntiaj teb crust. … Ib qho axis ntawm ib lub quav yog kev sib tshuam ntawm lub dav hlau axial nrog ib qho ntawm cov strata uas cov quav yog tsim Txawm hais tias nyob rau hauv hom yooj yim ntawm folds lub axis yog kab rov tav los yog maj mam inclined, nws yuav steeply inclined los yog ntsug.
nqe lus yog dab tsi rau Downfold?
Yuav siv li cas syncline hauv kab lus. … Ib tug downfold, qhov twg lub strata poob ntawm ib sab mus rau lub axis ntawm lub trough, hu ua ib tug syncline (Fig. 170).