Locality type:

Complex

Classification

Species:

Barroisite

Formula:

◻{CaNa}{Mg₃Al₂}(AlSi₇O₂₂)(OH)₂

Confirmation

Validity:

Believed Valid

Data

Mineral Data:

Click here to view Barroisite data

Locality Data:

Click here to view Cauro-Bastelica Complex, Tolla, Ajaccio, Corse-du-Sud, Corsica, France

Data Identifiers

Mindat Occurrence Record ID:

1381558

Long-form Identifier:

1:3:1381558:1

GUID (UUID V4):

7a1738c0-a30d-4b6a-9b0e-67011e06887b

References

Bonin, B., Vialette, Y. & Lameyre, J. (1972). GEOCHRONOLOGIE ET SIGNIFICATION DU COMPLEXE GRANITIQUE ANNULAIRE DE TOLLA-CAURO (CORSE). Compte Rendu Sommaire des Séances de la Sociéte Géologique de France, 14, 52-55.

Bonin, B., & Martin, R. F. (1974). Coexisting alkali feldspars in felsic members of the Cauro-Bastelica ring complex, Corsica. Lithos, 7(1), 23-28.

Bonin, B. (1988). Peralkaline granites in Corsica: some petrological and geochemical constraints. Rendiconti della Società italiana di Mineralogia e Petrologia, 43(2), 281-306.

POITRASSON, F., DUTHOU, J. L., & PIN, C. (1995). The relationship between petrology and Nd isotopes as evidence for contrasting anorogenic granite genesis: example of the Corsican Province (SE France). Journal of Petrology, 36(5), 1251-1274.

Reference Search (possible matching items)

	Strong, D. F., Taylor, R. P. (1983) Magmatic-subsolidus and oxidation trends in composition of amphiboles from silica-saturated peralkaline igneous rocks. TMPM Tschermaks Mineralogische und Petrographische Mitteilungen, 32 (4). 211-222 doi:10.1007/bf01081613	Journal (article/letter/editorial)
	change from magmatic to subsolidus amphibole from barroisite through richtedte to arfvedsonite, involving...series from barroisite to winchite (with CaAI iv -~ NaSi substitution), or from barroisite to kataphorite...The Topsails Igneous Complex Geological Setting. The Topsails igneous complex of western Newfoundland...Newfoundland is a large (> 6000 km 2 ) intrusive complex of two contrasting geochemical suites, a non-peralkaline...granites occur within the central parts of the complex, and the other granitoid phases are found in marginal
	*Mitchell, Roger H. (1990) A review of the compositional variation of amphiboles in alkaline plutonic complexes. Lithos, 26 (1) 135-156 doi:10.1016/0024-4937(90)90044-2*	Journal (article/letter/editorial)
	composition of amphiboles may occur in a given complex. A subtrend found only In oversaturated complexes...composition from ferro-winchite through ferro-barroisite to ferrorichterite. Rims ofriebeckite and arfvedsonite...mainly of arfvedsonitic composition. Oi(A) Rallier-du-Baty Peninsula complexes Five overlapping ring complexes...variation of amphiboles from the Topsalls-St. Lawrence complex (Strong and Taylor, 1984) illustrated III (a) the...arfvedsomte. 138 R H MITCHELL (A) RALLIER - DU - BATY (8) FLOWERS BAY Fig. 2. Compositional variation
	*Deer, W. A., Howie, R. A., Zussman, J. (1997) Rock-Forming Minerals* (2nd ed.) Vol. 2B - Double-Chain Silicates. The Geological Society, London.**	Book (volume)
	Amphiboles Richterite—Ferro-richterite Barroisite—Ferro-barroisite Winchite—Ferro-winchite Magnesio-kat...the relative stabilities of minerals in quite complex chemical systems. In geochronology, the K—Ar and...the present volume. Amphiboles are notoriously complex chemically and their nomenclature was the subject...Winchite CaNa(Mg,Fe?),(Al,Fe)[Sig0>.](OH,F)2 Barroisite* CaNa(Mg,Fe)3(Al,Fe)s[Si7Al0>5\|(OH,F)2 Katophorite...Fe*+) in C can be off-set by Al for Si as in barroisite*. Alternatively the substitution of Na for Ca

Barroisite from Cauro-Bastelica Complex, Tolla, Ajaccio, Corse-du-Sud, Corsica, France

Barroisite from
Cauro-Bastelica Complex, Tolla, Ajaccio, Corse-du-Sud, Corsica, France