Melanite garnet-bearing nepheline syenite minor intrusion in Mawpyut ultramafic–mafic complex, Jaintia Hills, Meghalaya
نویسندگان
چکیده
منابع مشابه
بررسی خاستگاه گارنت‌های ناهمگن در سنگ‌های قلیایی فلدسپاتوئیددار توده نفوذی کلیبر در شمال آذربایجان (شمال باختری ایران)
The Kaleybar intrusion with an area of 750 km2 is located in the north east Azerbaijan, NW Iran. Based on structural subdivisions of Iran, it is located in the West Alborz-Azerbaijan Zone wich is intruded into the Azerbaijan continental crust during Eocene to Oligocene following the Pyrenean Orogeny. It consists of various rock types including nepheline syenite, syenite, nepheline diorite toge...
متن کاملFeldspar and Nepheline Syenite Potential in British Columbia
Feldspathic materials are used in the glass and ceramic industries as a source of alkalis, alumina and silica. These elements affect the rate and temperature of melting. fluidity of the melt and physical properties of the finished product. Silica, sodium, potassium and alumina ratios in the feldspar product vary for each industrial user, however, iron must be limited to less than 0. I per cent ...
متن کاملMINERALOGY AND CHEMISTRY OF THE RUGGED MOZJNTAIN PLUTCb~W: A MELANITE-BEARING ALKALINE INTRUSION
The Rugged Mountain intrusion is a small (14 km% zoned alkaline pluton located in northwestern British Columbia, 25 kilometres southwest of Telegraph Creek (Brown eta/., lYY2;r. h). The pluton is exposed on the north side of Shakes Creek, a southeasterly flowing tributary of the Stikine River and on the south flank of Rugged Mountain from which it takes its name. The Rugged Mountain pluton was ...
متن کاملChikungunya outbreak in Garo Hills, Meghalaya: An epidemiological perspective
BACKGROUND & OBJECTIVES Chikungunya (CHIK) fever is a mosquito-borne disease caused by chikungunya virus (CHIKV). Chikungunya infection was first reported from India in 1963 from Kolkata. We report the serological and molecular evidence of an outbreak of chikungunya in northeast India that occurred in Tura, a hilly and forested terrain in Garo Hills district of Meghalaya. METHODS Blood sample...
متن کاملویژگیهای کانی‌شناسی و سنگ‌شناسی سنگ‌های فلدسپاتوئیددار جنوب غرب سراب (شمال‌غرب ایران)
The major syenitic bodies of Iran are spread on northwestern part, East Azerbaijan Province, which belong to late Eocene, early Oligocene magmatisem. Abbasabbad–Bashkand pluton is one of these intrusions, which is located as some minor and autonomous bodies in western side of the main Bozghush nepheline syenite pluton. Porphyritic, microgranular and porphyritic microgranular are common textures...
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ژورنال
عنوان ژورنال: Journal of Earth System Science
سال: 2011
ISSN: 0253-4126,0973-774X
DOI: 10.1007/s12040-011-0129-7