Results 11 to 20 of about 202 (128)

POLYCHROME CANCRINITE–VISHNEVITE OF ALKALI PEGMATITES OF THE KUROCHKIN LOG OCCURRENCE, VISHNEVYE MOUNTAINS OF THE URALS [PDF]

open access: yesМинералогия, 2018
Polychrome cancrinite–vishnevite crystal was found in alkali nepheline-feldspar pegmatites of the Kurochkin Log occurrence from the Vishnevye Mountains in the Southern Urals.
V.A. Popov, V.I. Popova
doaj   +1 more source

NEW DATA ON PYROCHLORE OF ALKALI PEGMATITES AND ORE ZONES OF THE VISHNEVYE MOUNTAINS (SOUTHERN URALS) [PDF]

open access: yesМинералогия, 2018
The minerals of the pyrochlore group are abundant in rocks of the Vishnevogorsk alkaline complex – miaskites, mica rocks, carbonatites, and their pegmatites. Several generations of pyrochlore can be found in complex pegmatite bodies.
V.I. Popova   +3 more
doaj   +1 more source

Alkali-rich replacement zones in evolved NYF pegmatites: metasomatic fluids or immiscible melts?

open access: green, 2019
The attached document is the authors’ submitted version of the oral presentation. You are advised to consult the publisher’s version if you wish to cite from it.
Muller, A   +4 more
openaire   +2 more sources

Turbidity in alkali feldspars from granitic pegmatites

open access: closed, 1994
Alkali feldspars from pegmatite of Brazil and Spain have microscopic to submicroscopic inclusions giving a >turbid> and >clouded> appearance. Inclusions are isotropic, irregular and spatially associated with patch/vein lamellae in network and/Or isolated masses. Inclusions have no detectable lines in XRD and microprobe analyses show strong variability:
Sánchez Muñoz, Luis   +5 more
openaire   +2 more sources

Investigation on tourmaline occurrence in the metamorphic complex in the north of Golpayegan, Sanandaj-Sirjan Zone [PDF]

open access: yesپترولوژی, 2022
The occurrence of tourmaline in the metamorphic complex of the north of Golpayegan is observed within the granitoid mass and schists in contact with granitoid and marbles.Speaking of abundance, tourmaline is less frequently a minor mineral found in ...
Solomon Ahmadi Bonakdar   +2 more
doaj   +1 more source

Research advances on rare metal pegmatite deposits

open access: yes地质科技通报, 2021
The pegmatite deposit is one of the most important types of rare metal deposits in the world, and it is also one of the most popular interests in the international deposit research.Significant advances have been made in the latest decades, including the ...
Zilong Ran, Yanjun Li
doaj   +1 more source

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