Yankin Anthracite

Yankin Anthracite wani yanki ne na tsaunuka a cikin tsaunin West Elk, wani yanki na tsaunin Rocky na Arewacin Amurka . Yankin yana cikin Gunnison County na yammacin Colorado kuma ya ta'allaka ne a cikin jejin West Elk na gandun daji na Gunnison . Yankin Anthracite yana ɗaya daga cikin manyan laccoliths da yawa da aka samu a cikin tsaunin West Elk.  

 Geology 
Anthracite Range wani laccolith ne, wanda aka samo shi lokacin da magma ya kutsa cikin sassan sassan Mesaverde Formation kimanin shekaru miliyan 30 da suka wuce. Zazzagewar da ta biyo baya ta kawar da dutsen mai laushi, mai sama da kima ta haka yana fallasa dutsen da ya fi juriya da ke nuna dutsen a yau. Kewayon ya ƙunshi quartz monzonite porphyry da granodiorite porphyry. Anthracite Range ya kasance mai haske, kuma fitattun glacial cirques suna a arewa da gabas na kewayon.  

An ba da sunan kewayon bayan anthracite, babban inganci, kwal mai ƙima da aka samu a cikin dutsen sedimentary na Mesaverde Formation a gindin wannan da kuma kusa da laccoliths. 

 Taron koli 
Yankin Anthracite wani tudu ne da ke fuskantar gabas-yamma kasa da  tsayin, amma akwai koli da yawa na sha'awa ga masu hawan dutse da jakunkuna. Daga yamma zuwa gabas, waɗannan tarurrukan sun haɗa da: Anthracite Range High Point (tsawo  ), shahara  ); Peak 12,300 wanda ba a bayyana sunansa ba (tsawo  ); Kololuwar Ohio (tsawo  ); da Peak 11,555 mara suna (tsawo  ). An fi samun waɗannan tarurrukan ne daga Ohio Pass inda hanyar hawan dutse ke shiga cikin jeji, ta ratsa kudu maso yamma ta tsaunin tuddai sannan ta zagaya zuwa tsaunin da ke yamma da Peak 11,555 mara suna. Daga can, ana kaiwa ga koli ta hanyar tafiya tare da tudu.  

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