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New Occurrence of Albitite from Nubra Valley, Ladakh:Characterization from Mineralogy and Whole Rock Geochemistry


Affiliations
1 Wadia Institute of Himalayan Geology, Dehra Dun 248 001, India
 

We report here the occurrence of albitite in Nubra valley of Ladakh region in the Trans-Himalaya area within Indian Territory at 344446N and 77338E before Panamik (in the Wish Pond, local name of the area). The albitite has been characterized by petrography, mineral chemistry, X-ray diffraction and whole rock geochemistry (i.e. major, trace and rare earth elements (REE)). The albitite comprises 85-96% albite and amphibole, whereas apatite, zircon and ilmenite occur as accessory minerals. The textural relationship and geochemical data indicate its igneous origin. The albitite contains about 5-6 ppm U and Th which may possibly host U-REE mineralization.

Keywords

Albitite, Karakoram, Mineral Chemistry, XRD, Whole Rock Chemistry.
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  • New Occurrence of Albitite from Nubra Valley, Ladakh:Characterization from Mineralogy and Whole Rock Geochemistry

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Authors

Aditya Kharya
Wadia Institute of Himalayan Geology, Dehra Dun 248 001, India
H. K. Sachan
Wadia Institute of Himalayan Geology, Dehra Dun 248 001, India
Sameer K. Tiwari
Wadia Institute of Himalayan Geology, Dehra Dun 248 001, India
Saurabh Singhal
Wadia Institute of Himalayan Geology, Dehra Dun 248 001, India
P. Chandra Singh
Wadia Institute of Himalayan Geology, Dehra Dun 248 001, India
Santosh Rai
Wadia Institute of Himalayan Geology, Dehra Dun 248 001, India
Sushil Kumar
Wadia Institute of Himalayan Geology, Dehra Dun 248 001, India
Manish Mehta
Wadia Institute of Himalayan Geology, Dehra Dun 248 001, India
P. K. R. Gautam
Wadia Institute of Himalayan Geology, Dehra Dun 248 001, India

Abstract


We report here the occurrence of albitite in Nubra valley of Ladakh region in the Trans-Himalaya area within Indian Territory at 344446N and 77338E before Panamik (in the Wish Pond, local name of the area). The albitite has been characterized by petrography, mineral chemistry, X-ray diffraction and whole rock geochemistry (i.e. major, trace and rare earth elements (REE)). The albitite comprises 85-96% albite and amphibole, whereas apatite, zircon and ilmenite occur as accessory minerals. The textural relationship and geochemical data indicate its igneous origin. The albitite contains about 5-6 ppm U and Th which may possibly host U-REE mineralization.

Keywords


Albitite, Karakoram, Mineral Chemistry, XRD, Whole Rock Chemistry.

References





DOI: https://doi.org/10.18520/cs%2Fv111%2Fi9%2F1531-1535