Darai-Pioz (Dara-i-Pioz; Dara-Pioz) Glacier, Alai (Alayskiy) Range, Tien Shan Mts, Region of Republican Subordination, Tajikistan

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This locality is in a very remote area with hostile actors in the area. Recent access has been by helicopter.

Alkaline massif with boron-rich granitoids intruding into schists, crossed by metasomatite and pegmatite veins.
Pegmatites resulting from the differentiation of a silicic melt to the point where saturation in boron is attained under vapor unsaturation (peralkaline sodic and SiO2-undersaturated residual melt) with reedmergnerite + ortholase/microcline/quartz assemblage (450-500 °C, P is less than = 2kb).

References

- Belakowski, D. I. (1991): Die seltenen Mineralien von Dara-i-Pioz im Hochgebirge Tadshikistans. Lapis, 16 (12), 42-48. (in German)
- Pautov, L.A. et al. (2000): Sogdianite and sugilite from the Dara-i-Pioz massif (Tajikistan). Proceedings of the Russian Mineralogical Society, 129(3), 66-79.
- Agakhanov, A.., Pautov, L.A., Sokolova, E.V., Hawthorne, F.S., and Karpenko, V. Yu. (2003): Moskvinite-(Y), Na2K(Y,REE)[Si6O15], a new mineral. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva 132(6), 15-21 (in Russian).
- Canadian Mineralogist (2004): 42: 107-119.
- Lapis (2004): 29(1): 47.

External Links

- http://www.koeln.netsurf.de/~w.steffens/dara.htm

Mineral List

Aegirine Aegirine-augite Agrellite Albite Aleksandrovite (TL) Allanite-(Ce) Analcime Andradite Apophyllite-(KF) Arapovite (TL) Arfvedsonite Astrophyllite Autunite 'Axinite' Bafertisite Baotite Baratovite (TL) Barylite Baryte Bastnäsite-(Ce) Bastnäsite-(Y) Bazirite Berezanskite (TL) Biotite Bismuth Brookite Byzantievite (TL) Calcioancylite-(Ce) Calcite Calcybeborosilite-(Y) (TL) Cancrinite Cappelenite-(Y) Carbokentbrooksite (TL) Chernovite-(Y) Chevkinite-(Ce)

Columbite-(Mn) Danburite Darapiosite (TL) Datolite Diopside Dolomite Dravite Dusmatovite (TL) Eitelite Epididymite Epidote Eudialyte Faizievite (TL) Fergusonite-(Y) Fluorapatite Fluorcaphite Fluorite var: Strontian Fluorite Galena Gasparite-(Ce) Goethite Graphite Haiweeite Hastingsite Hawleyite Hedenbergite Hejtmanite Hematite Hemimorphite Hyalotekite Hydroxylbastnäsite-(Nd) Ilmenite IMA2009-006 (TL) Kapitsaite-(Y) (TL) Kentbrooksite

Kirchhoffite (TL) Kupletskite Kupletskite-(Cs) (TL) Leucophanite Leucosphenite Löllingite Magnetite Maleevite (TL) Mendeleevite-(Ce) (TL) Microcline Milarite Miserite Molybdenite Mosandrite Moskvinite-(Y) (TL) Muscovite Nalivkinite (TL) Nepheline Neptunite Nordite-(Ce) Osumilite Pabstite Pectolite Pekovite (TL) Phlogopite Polylithionite Pyrochlore Group Pyrochlore Supergroup var: Betafite (of Hogarth 1977) Pyrophanite Quartz Reedmergnerite Riebeckite Rinkite Schorl Searlesite

Senkevichite (TL) Shibkovite (TL) Shortite Siderite Smithsonite Sodalite Sogdianite (TL) Sokolovaite (TL) Sphalerite Stillwellite-(Ce) Stilpnomelane var: Ferristilpnomelane Sugilite Surkhobite (TL) Tadzhikite-(Ce) (TL) Tadzhikite-(Y) Tainiolite Telyushenkoite (TL) Thorite Tienshanite (TL) Titanite var: Stanniferous Titanite 'Tourmaline' Tuhualite Turkestanite (TL) Ursilite Willemite Wollastonite Zektzerite Zeravshanite (TL) Zircon Zirsilite-(Ce) (TL)

137 entries listed. 128 valid minerals. 29 type localities (valid minerals). 1 type locality (other).