Talus cave

Wani kogo na talus, wanda aka fi sani da kogon dutse, wani nau'in kogo ne wanda aka kafa ta hanyar gibin da ke tsakanin daya, ko kuma manyan duwatsu da yawa. Za'a iya kafa koguna na Talus a ko'ina manyan duwatsu da suka tara a cikin tarin, kamar a cikin Scree a gindin dutse. 

 Kafawa 
An kafa kogon Talus a ko'ina tare da isasshen tarin manyan kayan dutse, kuma ta haka ne aka samo a cikin dutse iri-iri- a New England, an sami kogon talus a cikin Anorthosite, schist, slate, phyllite, conglomerate, marmara da sandstone. : 53 Duk da haka, koguna masu tasowa sun fi dacewa da samarwa a kusa da dutsen da ya dace sosai, kamar dutse ko gneiss, wanda ya fashe da tsabta tare da karyewa.

Daidaitaccen tsarin samar da kogo ya bambanta da mahallin ƙasa. Tare da ƙasan fuskokin dutse, ana kirkirar koguna na talus da farko daga motsi na dutse saboda gazawar gangara, yawanci ta hanyar rushewar ƙasa da ke haifar da ajiyar Scree wanda ke dauke da koguna. A cikin gorges masu tsayi, koguna na talus na iya zama haɗuwa da gazawar gangara da ragewa ta rafi ko kogi, inda aka wanke ƙananan duwatsu da ƙasa a ƙarƙashin manyan duwatsu, suna barin kogo a baya."Talus Caves - Caves and Karst (U.S. National Park Service)". www.nps.gov. National Park Service. Retrieved 16 July 2024.

A cikin Scandinavia da sauran yankunan da aka yi amfani da su kwanan nan, koguna masu yawa sune sakamakon aikin neotectonic saboda sake dawowa bayan dusar ƙanƙara. Wadannan koguna ana samun su a cikin tsaunuka masu tsagewa, inda girgizar ƙasa mai karfi ta neotectonic ta haifar da manyan tsarin fashewa da koguna.

An gano siffofi da yawa a kan Mars don kama da muryar ƙasa, wanda ke haifar da yiwuwar koguna na waje.Halliday, William (April 2007). "Pseudokarst in the 21st century" (PDF). Journal of Cave and Karst Studies. 69 (1): 103–113. Retrieved 16 July 2024.

 Halaye 
Kogunan Talus yawanci gajere ne, kodayake mafi tsawo suna da kilomita da yawa na hanyoyin bincike. Misalan koguna masu tsawo sun haɗa da  [sv] a Hälsingland, Sweden, tare da mita 2,600 (8,500  na wucewa,   Touchy Sword of Damocles cave a New York, Amurka tare da mita 4,000 (13,000  na hanyar, : 55  da Merrills-Barn Door-And-The Hole-Scotts (DMBHS) kogo a Vermont, tare da metro 640 (2,100  na hanya. : 59 Duk da haka, saboda rikitarwa, yanayin labyrinthine na manyan koguna ba a san ainihin tsawon tsarin da yawa ba.

Kodayake ba a yi nazarin koguna ba idan aka kwatanta da wasu nau'ikan koguna, a wuraren da ba su da kyau ga samar da koguna ko bututun dutse suna iya zama mafi yawan nau'in kogon. Wasu koguna a Arewa maso gabashin Amurka koguna ne na kankara, tare da ajiyar kankara a cikin hanyoyin kogon. Talus caves sune mahimman wuraren zama ga jemagu da troglofauna, kamar su pseudoscorpion Parobisium yosemite wanda ke da alaƙa da caves na talus a cikin Yosemite National Park .  An juya wasu koguna a cikin koguna masu nunawa, kamar koguna a Lost River Reservation da Polar Caves Park a New Hampshire, da koguna a Pinnacles National Park a California.

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