Zobrazeno 1 - 10
of 15
pro vyhledávání: '"V. I. Ustinov"'
Autor:
V. I. Ustinov, L. D. Zorina, Nadezhda N. Krivitskaya, I. A. Baksheev, Vsevolod Yu. Prokofiev, Boris Belyatsky
Publikováno v:
Geoscience Frontiers, Vol 3, Iss 1, Pp 59-71 (2012)
Zoned tourmaline (schorl-dravite) in the matrix of hydrothermal explosive breccia and ore veins in gold deposits, Chita region, Eastern Transbaikalia, Russia, are associated with Na- and K-rich porphyry-type subvolcanic intrusives. δ 18 O values of
Publikováno v:
Geochemistry International. 49:95-100
Publikováno v:
Geochemistry International. 48:946-949
Autor:
Vasiliy O. Yapaskurt, I. A. Baksheev, I. A. Bryzgalov, Marina F. Vigasina, A. F. Chitalin, V. I. Ustinov
Publikováno v:
Moscow University Geology Bulletin. 65:27-38
Three generations of tourmaline have been identified in propylite in the Vetka porphyry copper-molybdenum deposit of the Chukchi Peninsula of Russia. Tourmaline-I is characterized by its Fetot/(Fetot + Mg) value, which ranges from 0.33 to 0.49. Tourm
Publikováno v:
Geochemistry International. 47:1041-1049
Autor:
V. O. Yapaskurt, Marina F. Vigasina, V. I. Ustinov, P. L. Tikhomirov, Vsevolod Yu. Prokof’ev, I. A. Baksheev
Publikováno v:
The Canadian Mineralogist. 47:1177-1194
Porphyry-related deposits are the fourth type of tin deposits in importance after pegmatite, greisen and granite-related hydrothermal veins. We have studied tourmalines and associated minerals from the several porphyry-tin occurrences related to rhyo
Publikováno v:
Geochemistry International. 46:1174-1177
Publikováno v:
Geochemistry International. 46:945-950
Publikováno v:
Geochemistry International. 45:295-297
Publikováno v:
Geochemistry International. 44:199-201