Inselberg, (los ntawm German Insel, "Island," thiab Berg, "roob"),toj roob hauv pes uas sawv saum toj roob hauv pes zoo tsim thiab zoo li tsis zoo li cov kob nce saum hiav txwv. … Qhov tshwm sim ntawm inselbergs txhais tau tias muaj kev hloov pauv loj heev hauv cov nqi ntawm kev ua haujlwm degradational ntawm thaj av.
Inselberg piav qhia nrog piv txwv yog dab tsi?
Ib qho inselberg lossis monadnock (/məˈnædnɒk/) yog ib pob zeb nyob ib puag ncig, pob qhov rooj, lub roob, lossis lub roob me me uas nce nrawm nrawm los ntawm qhov maj mam nqes lossis zoo li theem ib puag ncig tiaj. Yog hais tias lub inselberg yog dome-puab thiab tsim los ntawm granite los yog gneiss, nws kuj hu ua ib tug bornhardt, tab sis tsis yog tag nrho cov bornhardts yog inselbergs.
Dab tsi yog inselberg thiab lawv tsim li cas?
Inselbergs arise ntawm pob zeb uas erode ntawm tus nqi qeeb dua li ntawm cov pob zeb nyob ib puag ncig. … Cov txheej txheem volcanic yog lub luag haujlwm rau qhov nce ntawm cov pob zeb resistant saum toj ib puag ncig. Lub pob zeb resistant muaj peev xwm tiv taus yaig vim nws cov pob qij txha nruj. Thaum tsim, inselbergs tshwm rau sab laug.
Tus yam ntxwv ntawm inselberg yog dab tsi?
Lawv cov yam ntxwv muaj xws li ntxhab, liab qab thiab nce toj-convex slopes, lub kaum ntse ntse piedmont, thiab lub mantle ntawm talus tau los ntawm kev sib koom ua ke tswj kev degradation nyob ib ncig ntawm tsawg kawg yog ib feem ntawm nws perimeter. Qhov siab ntawm domed inselbergs yog qhov sib txawv heev.
Dab tsi yog granite inselberg?
Granite inselbergstshwm sim raws li feem ntau dome-zoo li pob zeb outcrops nyob rau hauv tag nrho cov climatic thiab zaub zones ntawm tropics. Muaj cov pob zeb Precambrian, lawv tsim cov keeb kwm qub thiab ruaj khov. … Cog ntau haiv neeg ntawm inselbergs cuam tshuam los ntawm ob qho tib si kev txiav txim siab thiab stochastic ib puag ncig cuam tshuam.
