Zincian ilmenite - ecandrewsite from a pelitic schist, Death Valley, California, and the paragenesis of (Zn,Fe)TiO3 solid solution in metamorphic rocks

D. L. Whitney; M. Hirschmann; M. G. Miller

Zincian ilmenite - ecandrewsite from a pelitic schist, Death Valley, California, and the paragenesis of (Zn,Fe)TiO₃ solid solution in metamorphic rocks

D. L. Whitney, M. Hirschmann, M. G. Miller

Earth and Environmental Sciences-Twin Cities

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24 Scopus citations

Abstract

Two compositionally and petrographically distinct populations of ilmenite-ecandrewsite solid solution, FeTiO₃ - ZnTiO₃, coexist in a kyanite-bearing schist from the Black Mountains, Death Valley. The first population is extremely zinc-rich and has the stoichiometric formula (Zn_0.17-0.81Fe_0.18-0.64Mn_0.01)TiO₃. The mineral is orange-brown in transmitted light, and occurs both as inclusions in garnet and as an abundant phase (~3-5 modal %) in the matrix. The second population is opaque in transmitted light, occurs exclusively as a matrix phase, and has the stoichiometric formula (Zn_0-0.12Fe_0.85-0.98Mn_0.01-0.02)TiO₃. The paragenesis of zinc-bearing ilmenite solid-solution in metapelitic rocks is problematic. -from Authors

Original language	English (US)
Pages (from-to)	425-436
Number of pages	12
Journal	Canadian Mineralogist
Volume	31
Issue number	2
State	Published - Jan 1 1993

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title = "Zincian ilmenite - ecandrewsite from a pelitic schist, Death Valley, California, and the paragenesis of (Zn,Fe)TiO3 solid solution in metamorphic rocks",

abstract = "Two compositionally and petrographically distinct populations of ilmenite-ecandrewsite solid solution, FeTiO3 - ZnTiO3, coexist in a kyanite-bearing schist from the Black Mountains, Death Valley. The first population is extremely zinc-rich and has the stoichiometric formula (Zn0.17-0.81Fe0.18-0.64Mn0.01)TiO3. The mineral is orange-brown in transmitted light, and occurs both as inclusions in garnet and as an abundant phase (~3-5 modal %) in the matrix. The second population is opaque in transmitted light, occurs exclusively as a matrix phase, and has the stoichiometric formula (Zn0-0.12Fe0.85-0.98Mn0.01-0.02)TiO3. The paragenesis of zinc-bearing ilmenite solid-solution in metapelitic rocks is problematic. -from Authors",

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T1 - Zincian ilmenite - ecandrewsite from a pelitic schist, Death Valley, California, and the paragenesis of (Zn,Fe)TiO3 solid solution in metamorphic rocks

AU - Whitney, D. L.

AU - Hirschmann, M.

AU - Miller, M. G.

PY - 1993/1/1

Y1 - 1993/1/1

N2 - Two compositionally and petrographically distinct populations of ilmenite-ecandrewsite solid solution, FeTiO3 - ZnTiO3, coexist in a kyanite-bearing schist from the Black Mountains, Death Valley. The first population is extremely zinc-rich and has the stoichiometric formula (Zn0.17-0.81Fe0.18-0.64Mn0.01)TiO3. The mineral is orange-brown in transmitted light, and occurs both as inclusions in garnet and as an abundant phase (~3-5 modal %) in the matrix. The second population is opaque in transmitted light, occurs exclusively as a matrix phase, and has the stoichiometric formula (Zn0-0.12Fe0.85-0.98Mn0.01-0.02)TiO3. The paragenesis of zinc-bearing ilmenite solid-solution in metapelitic rocks is problematic. -from Authors

AB - Two compositionally and petrographically distinct populations of ilmenite-ecandrewsite solid solution, FeTiO3 - ZnTiO3, coexist in a kyanite-bearing schist from the Black Mountains, Death Valley. The first population is extremely zinc-rich and has the stoichiometric formula (Zn0.17-0.81Fe0.18-0.64Mn0.01)TiO3. The mineral is orange-brown in transmitted light, and occurs both as inclusions in garnet and as an abundant phase (~3-5 modal %) in the matrix. The second population is opaque in transmitted light, occurs exclusively as a matrix phase, and has the stoichiometric formula (Zn0-0.12Fe0.85-0.98Mn0.01-0.02)TiO3. The paragenesis of zinc-bearing ilmenite solid-solution in metapelitic rocks is problematic. -from Authors

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Zincian ilmenite - ecandrewsite from a pelitic schist, Death Valley, California, and the paragenesis of (Zn,Fe)TiO₃ solid solution in metamorphic rocks

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