GRD00EJS0
I-607
Granite
Precambrian › Proterozoic › Neoproterozoic › Cryogenian
630.0
-
850.0
0
Ritter 154 › Cabinet 19 › Drawer B
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Seychelles granite (original: alkali granite, Q, Plag, Kspar, Hb, Bi)
age 705 Ma (Weis and Deutsch, 1984); missing larger piece
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Seychelles
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Latitude: -4.7°
Longitude: 55.5°
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N/A
N/A
N/A
WeisDeutsch_ChemGeo_1984
Weis, D. and Deutsch, S. 1984. Nd and Pb isotope evidence from the Seychelles granites and their xenoliths: mantle origin with slight upper-crust interaction for alkaline anorogenic complexes. Isot. Geosci., 2: 13-35