Chlorine-rich potassium hastingsite from West Ongul Island, Lfitzow-Holm Bay
Chlorine-rich potassium hastingsite occurs in a calcareous pegmatite, a replacement zone and an amphibolite l ns within hornblende gneiss on West Ongul Island, Lfitzow-Holm Bay, East Antarctica. The amphibolite l ns and hornblende gneiss were metamorphosed to the kyanite-sillimanite grade of the gra...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.616.4977 2023-05-15T13:49:16+02:00 Chlorine-rich potassium hastingsite from West Ongul Island, Lfitzow-Holm Bay East Antarctica The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.616.4977 http://www.minersoc.org/pages/Archive-MM/Volume_51/51-363-709.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.616.4977 http://www.minersoc.org/pages/Archive-MM/Volume_51/51-363-709.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.minersoc.org/pages/Archive-MM/Volume_51/51-363-709.pdf text ftciteseerx 2016-01-08T14:46:02Z Chlorine-rich potassium hastingsite occurs in a calcareous pegmatite, a replacement zone and an amphibolite l ns within hornblende gneiss on West Ongul Island, Lfitzow-Holm Bay, East Antarctica. The amphibolite l ns and hornblende gneiss were metamorphosed to the kyanite-sillimanite grade of the granulite facies during Proterozoic metamorphism. Chemical analysis (3.27 wt. % C1), unit cell parameters and optical properties of the Cl-rich potassium hastingsite are given. Cl-rich (> 3 wt. %) calcic amphiboles reported from various rock types are mostly more than 0.9 in (Na+ K) content, more than 0.4 in K/(Na + K) ratio, more than 0.75 in Fe 2 +/(Fe 2 § + Mg + Mn) ratio and more than 1.9 in A1 iv content (total iron as FeO and O = 23). The unit cell volume of Cl-rich hastingsite is distinctly larger than that of Cl-poor hastingsite. KEYWOROS: Cl-rich calcic amphiboles, hastingsite, West Ongul Island, Antarctica. Text Antarc* Antarctica East Antarctica Ongul Island Unknown East Antarctica Ongul ENVELOPE(39.533,39.533,-69.017,-69.017) Ongul Island ENVELOPE(39.533,39.533,-69.017,-69.017) |
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Open Polar |
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ftciteseerx |
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English |
description |
Chlorine-rich potassium hastingsite occurs in a calcareous pegmatite, a replacement zone and an amphibolite l ns within hornblende gneiss on West Ongul Island, Lfitzow-Holm Bay, East Antarctica. The amphibolite l ns and hornblende gneiss were metamorphosed to the kyanite-sillimanite grade of the granulite facies during Proterozoic metamorphism. Chemical analysis (3.27 wt. % C1), unit cell parameters and optical properties of the Cl-rich potassium hastingsite are given. Cl-rich (> 3 wt. %) calcic amphiboles reported from various rock types are mostly more than 0.9 in (Na+ K) content, more than 0.4 in K/(Na + K) ratio, more than 0.75 in Fe 2 +/(Fe 2 § + Mg + Mn) ratio and more than 1.9 in A1 iv content (total iron as FeO and O = 23). The unit cell volume of Cl-rich hastingsite is distinctly larger than that of Cl-poor hastingsite. KEYWOROS: Cl-rich calcic amphiboles, hastingsite, West Ongul Island, Antarctica. |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
East Antarctica |
spellingShingle |
East Antarctica Chlorine-rich potassium hastingsite from West Ongul Island, Lfitzow-Holm Bay |
author_facet |
East Antarctica |
author_sort |
East Antarctica |
title |
Chlorine-rich potassium hastingsite from West Ongul Island, Lfitzow-Holm Bay |
title_short |
Chlorine-rich potassium hastingsite from West Ongul Island, Lfitzow-Holm Bay |
title_full |
Chlorine-rich potassium hastingsite from West Ongul Island, Lfitzow-Holm Bay |
title_fullStr |
Chlorine-rich potassium hastingsite from West Ongul Island, Lfitzow-Holm Bay |
title_full_unstemmed |
Chlorine-rich potassium hastingsite from West Ongul Island, Lfitzow-Holm Bay |
title_sort |
chlorine-rich potassium hastingsite from west ongul island, lfitzow-holm bay |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.616.4977 http://www.minersoc.org/pages/Archive-MM/Volume_51/51-363-709.pdf |
long_lat |
ENVELOPE(39.533,39.533,-69.017,-69.017) ENVELOPE(39.533,39.533,-69.017,-69.017) |
geographic |
East Antarctica Ongul Ongul Island |
geographic_facet |
East Antarctica Ongul Ongul Island |
genre |
Antarc* Antarctica East Antarctica Ongul Island |
genre_facet |
Antarc* Antarctica East Antarctica Ongul Island |
op_source |
http://www.minersoc.org/pages/Archive-MM/Volume_51/51-363-709.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.616.4977 http://www.minersoc.org/pages/Archive-MM/Volume_51/51-363-709.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
_version_ |
1766251070785323008 |