Dome na Tomichi
| Dome na Tomichi | |
|---|---|
 | |
| General information | |
Height above mean sea level (en)  | 11,471 ft |
| Topographic prominence (en) | 2,325 ft |
| Labarin ƙasa | |
 | |
| Tsarin Daidaiton Labarin Kasa | 38°29′N 106°32′W / 38.49°N 106.53°W |
| Mountain range (en) | Sawatch Range |
| Kasa | Tarayyar Amurka |
| Territory |
Gunnison County (en) |
Tomichi Dome ya tashi a arewacin babbar hanyar Amurka 50 a yammacin Hot Springs Creek da kudancin Waunita Hot Springs Reservoir a kudu maso gabashin Gunnison County, Colorado.[2] Tana cikin gandun daji na Gunnison.
Ilimin ƙasa
[gyara sashe | gyara masomin]Tomichi Dome sanannen dutse ne wanda aka kafa a lokacin Tertiary . Babban dutse shine rhyolite, amma an ambaci microgranite, breccia, da tuff a matsayin yanzu. Kewaye da dutsen, a kan kwarin, shine Mancos Shale, dutse mai laushi na Mesozoic.[3]
An bayyana Tomchi Dome a matsayin intrusion kuma a matsayin extrusive, fasalin dutsen wuta. A matsayin intrusion, pluton na iya Magma lokacin da aka shiga cikin Mancos Shale wanda ya haifar da laccolith. Idan aka ba da ƙwayoyin ƙwayoyin dutsen, ana zaton laccolith ya kasance a zurfin zurfi kuma ya sanyaya da sauri. Wataƙila ana danganta iska da shiga da ke haifar da rhyolytic breccia da tuff da aka rubuta a kusa. Shallow rhyolitic plutons kudu maso yammacin Tomichi Dome, a cikin San Juan Mountains kusa da Lake City, an kuma bayyana su a matsayin laccoliths.
A madadin haka, an bayyana Tomichi Dome a matsayin fasalin fashewar dutse inda fashewar farko ta ajiye breccia da tuff wanda ya wuce 670 feet (200 m) kauri. Gudun ko dome na topaz rhyolite ya rufe tuff.[4][5]
Ko plutonic ko volcanic, Tomichi Dome mai yiwuwa yana ɗaya daga cikin jerin gine-ginen da ke da alaƙa da Rio Grande Rift, wanda ya shimfiɗa daga Mexico zuwa Colorado.[4]
Sunayen tarihi
[gyara sashe | gyara masomin]- Tomichi Dome - 1907
- Tumitche Dome
Manazarta
[gyara sashe | gyara masomin]- ↑ Benson, Maxine (1994). 1001 Colorado Place Names. Lawrence: University Press of Kansas. ISBN 0-7006-0632-7.
- ↑ Pronounced Matsalar Lua: expandTemplate: template "Template:IPA audio link" does not exist..[1]
- ↑ "The National Geologic Map Database". United States Geological Survey. Retrieved 29 November 2017.
- ↑ 4.0 4.1 Burt, Donald M.; Sheridan, Michael F.; Bikun, James V.; Christiansen, Erics H. (1982). "Topaz rhyolites--distribution, origin, and significance for exploration". Economic Geology. 77 (8): 1818–1836. doi:10.2113/gsecongeo.77.8.1818. ISSN 0361-0128.
- ↑ Stark, J. T.; Behre, Jr., C. H. (1936). "Tomichi Dome Flow". GSA Bulletin. 47 (1): 101–110. doi:10.1130/GSAB-47-101.