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The copper-bearing stratabound pyritic massive sulphide bodies contained in metamorphosed basic eruptives of Ordovician age at Sulitjelma in Nordland County, Norway, form one of the important fields of sulphide mineralisation within the Krli Nappe Complex. The sulphide bodies and their enclosing roc...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.600.5792 2023-05-15T17:24:38+02:00 AND Nigel J. Cook Christopher Halls Alan P. Boyle The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.600.5792 http://www.minersoc.org/pages/Archive-MM/Volume_57/57-386-67.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.600.5792 http://www.minersoc.org/pages/Archive-MM/Volume_57/57-386-67.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_57/57-386-67.pdf text ftciteseerx 2016-01-08T14:01:21Z The copper-bearing stratabound pyritic massive sulphide bodies contained in metamorphosed basic eruptives of Ordovician age at Sulitjelma in Nordland County, Norway, form one of the important fields of sulphide mineralisation within the Krli Nappe Complex. The sulphide bodies and their enclosing rocks were subject to successive stages of penetrative deformation and recrystallisation during the cycle of metamorphism and tectonic transport caused by the Scandian Orogeny. Textures within the ores and the immediate nvelope of schists show that strain was focused along the mineralised horizons. The marked contrast in competence between the massive pyritic sulphides and their envelopes of alteration composed ominantly of phyllosilicates, and the metasediments of the overlying Furulund Group, led to the formation of macroscale fold and shear structures. On the meso-to microscale, a variety of textures have been formed within the pyrite-pyrrhotite-chalcopyrite-sphalerite sulphide rocks as a result of strain and recrystallisation. Variations in pyrite:pyrrhotite ratios and in the texture and proportions of associated gangue minerals evidently governed the strength and ductility of the sulphide rocks so that the same sulphide mineral can behave differently, displaying different extures in different matrices. In massive pyritic samples there is evidence of evolution Text Nordland Nordland Sulitjelma Nordland Unknown Furulund ENVELOPE(22.080,22.080,69.727,69.727) Norway Sulitjelma ENVELOPE(16.077,16.077,67.133,67.133) |
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ftciteseerx |
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English |
description |
The copper-bearing stratabound pyritic massive sulphide bodies contained in metamorphosed basic eruptives of Ordovician age at Sulitjelma in Nordland County, Norway, form one of the important fields of sulphide mineralisation within the Krli Nappe Complex. The sulphide bodies and their enclosing rocks were subject to successive stages of penetrative deformation and recrystallisation during the cycle of metamorphism and tectonic transport caused by the Scandian Orogeny. Textures within the ores and the immediate nvelope of schists show that strain was focused along the mineralised horizons. The marked contrast in competence between the massive pyritic sulphides and their envelopes of alteration composed ominantly of phyllosilicates, and the metasediments of the overlying Furulund Group, led to the formation of macroscale fold and shear structures. On the meso-to microscale, a variety of textures have been formed within the pyrite-pyrrhotite-chalcopyrite-sphalerite sulphide rocks as a result of strain and recrystallisation. Variations in pyrite:pyrrhotite ratios and in the texture and proportions of associated gangue minerals evidently governed the strength and ductility of the sulphide rocks so that the same sulphide mineral can behave differently, displaying different extures in different matrices. In massive pyritic samples there is evidence of evolution |
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The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Nigel J. Cook Christopher Halls Alan P. Boyle |
spellingShingle |
Nigel J. Cook Christopher Halls Alan P. Boyle AND |
author_facet |
Nigel J. Cook Christopher Halls Alan P. Boyle |
author_sort |
Nigel J. Cook |
title |
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title_full_unstemmed |
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url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.600.5792 http://www.minersoc.org/pages/Archive-MM/Volume_57/57-386-67.pdf |
long_lat |
ENVELOPE(22.080,22.080,69.727,69.727) ENVELOPE(16.077,16.077,67.133,67.133) |
geographic |
Furulund Norway Sulitjelma |
geographic_facet |
Furulund Norway Sulitjelma |
genre |
Nordland Nordland Sulitjelma Nordland |
genre_facet |
Nordland Nordland Sulitjelma Nordland |
op_source |
http://www.minersoc.org/pages/Archive-MM/Volume_57/57-386-67.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.600.5792 http://www.minersoc.org/pages/Archive-MM/Volume_57/57-386-67.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766115746698493952 |