Dutsen peters

Dutsen Petras dutse ne a cikin Antarctica. Ya ƙunshi duwatsu masu aman wuta, mafi yawan shekarun Cretaceous amma akwai kuma tsarin dutsen Eocene-Oligocene wanda ƙila an sanya shi cikin ƙanƙara na bakin ciki. Yana daga cikin lardin Marie Byrd Land Volcanic Volcano kuma shine mafi tsufa mai aman wuta

 Tarihi 
Dutsen Petras yana cikin yankin bakin teku na Marie Byrd Land, Antarctica, Wilch & McIntosh 2000, p. 477 kuma yana cikin tsaunin McCuddin tare da Dutsen FlintWilch, McIntosh & Panter 2021, p. 519. wanda ke arewa maso yammacin Dutsen Petras.LeMasurier 1990, p. 163.. Hadadden Dutsen Petras-Mount Flint-Reynolds Ridge kuma ana kiransa da Petras Range.González-Ferrán & González-Bonorino 1972, p. 265Ya ta'allaka ne da nisan kilomita 200-250 (120-160 mi) daga ciki daga gabar Tekun Amundsen.LeMasurier 1990, p. 239

Dutse ne mai angularLeMasurier 1990, p. 239 wanda ya ƙunshi tsattsaWilch, McIntosh & Panter 2021uran dutse a cikin yanki mai nisan kilomita 5 da 8 (3.1 mi × 5.0 mi), wanda ke samar da tudu guda biyu suna samar da kwano mai cike da ƙanƙara.Doumani, George A.; Ehlers, Ernest G. (1 July 1962). "Petrography of Rocks from Mountains in Marie Byrd Land, West Antarctica". GSA Bulletin. 73 (7): 881. doi:10.1130/0016-7606(1962)73[877:PORFMI]2.0.CO;2. ISSN 0016-7606.Sauran koli guda biyu suna da tsayin mita 2,325 (7,628 ft) tsayin Putzke Peak arewa maso gabas na Dutsen Petras, mita 2,716 (8,911 ft) tsayin Schwob Peak kudu da mita 2,440 (8,010 ft) Peter Nunatak kudu maso gabas. Sauran ɓangarorin na faruwa a kudu maso yamma a Navarrette Peak, kudu maso gabas a Wallace RockLeMasurier, McIntosh & Rex 1981, p. 20. da arewa maso gabas a Erven Nunataks.González-Ferrán & González-Bonorino 1972, p. 267. González-Ferran ne ya gano kasancewar wani rami mai fashewa a gefensa naWilch & McIntosh 2000, p. 477. arewa a cikin 1972.González-Ferrán & González-Bonorino 1972, p. 266

Dukansu ginshiƙan ƙasa da duwatsu masu aman wuta suna fitowa daga kankara ta Yamma a matsayin nunatak. Dutsen dutsen mai aman wuta da na ƙasa an raba su da rashin daidaituwa a tsayin mita 2,700 (8,900 ft).[Babban koli na Dutsen Petras ya ta'allaka ne akan tudun yammaDoumani, George A.; Ehlers, Ernest G. (1 July 1962). "Petrography of Rocks from Mountains in Marie Byrd Land, West Antarctica". GSA Bulletin. 73 (7): 881. doi:10.1130/0016-7606(1962)73[877:PORFMI]2.0.CO;2. ISSN 0016-7606. a tsayin mita 2,867 (9,406 ft) sama da matakin teku wanda kimanin mita 900 (3,000 ft) ke sama da Sheet Ice na yammacin Antarctic.Wilch & McIntosh 2000, p. 478 Yawancin duwatsun dutsen mai aman wuta na hawaiite ne tare da wasu mugearite,[12] yayin da ginshiƙi na rhyodacitic ne Wilch & McIntosh 2000kuma galibi ya ƙunshi rukunin dutsen mai aman wuta na Cretaceous wanda ya ƙunshi mafi girman Dutsen Petras.[5]. Gidan ƙasa kuma ya haɗa da schists, [13] paragneisses[14] da gneisses.[15] Mugearite yana faruwa ne a cikin nau'i na kwararar lava, yayin da Hawaiites suka samar da ma'aunin wuta kamar tuff breccias[16] da lapilli tuffs.[17] tarkacen Moraine da talus sun rufe fallen duwatsu.[7]

Dutsen Petras wani yanki ne na lardin Marie Byrd Land mai aman wuta, wanda zai iya zama samfurin tulu. Sauran tsaunukan da ke cikin wannan lardin yammacin Antarctic volcanoes sun hada da Ames Range, Crary Mountains, Range Committee Range, Ambaliyar Ruwa, Hobbs Coast nunataks, Kohler Range, Mount Murphy, Mount Siple, Mount Takahe da Dutsen Waesche. Wasu daga cikin waɗannan tsaunuka suna aiki a yau.[11]

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