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A study of contact metamorphism at Harrison Ridge, Harrison Hot Springs, B.C. Grove, Edward Willis
Abstract
A petrographic study is made of the granitic and related metamorphic rocks at Harrison Hot Springs, B.C. this thesis contains a general treatment of the regional and structural geology of the general area. The petrography of the various rock types is discussed under two main headings the granitic rocks, and the metamorphic rocks. Heat given of by the intrusive magma converted the adjacent unmetamorphosed sediments to hornfelses of the cordierite-anthophyllite subfacies and pyroxene-hornfels facies. These rocks are arbitrarily subdivided into rock types on the basis of their mineraloglcal compositions, rather than on the field occurrence. These assemblages are discussed with reference to the facies classification and the mineraloglcal phase rule. It is concluded that the hornfelses were derived by thermal metamorphism of aluminous-chloritic argillaceous sediments; that the cordierite-anthophyllite hornfelses were originally rich in MgO and FeO metasomatism was not an important process In the formation of the metamorphic assemblages.
Item Metadata
Title |
A study of contact metamorphism at Harrison Ridge, Harrison Hot Springs, B.C.
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Creator | |
Publisher |
University of British Columbia
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Date Issued |
1955
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Description |
A petrographic study is made of the granitic and
related metamorphic rocks at Harrison Hot Springs, B.C.
this thesis contains a general treatment of the regional
and structural geology of the general area. The petrography
of the various rock types is discussed under two main
headings the granitic rocks, and the metamorphic rocks.
Heat given of by the intrusive magma converted the
adjacent unmetamorphosed sediments to hornfelses of the
cordierite-anthophyllite subfacies and pyroxene-hornfels
facies. These rocks are arbitrarily subdivided into rock
types on the basis of their mineraloglcal compositions,
rather than on the field occurrence. These assemblages
are discussed with reference to the facies classification
and the mineraloglcal phase rule.
It is concluded that the hornfelses were derived by
thermal metamorphism of aluminous-chloritic argillaceous
sediments; that the cordierite-anthophyllite hornfelses were
originally rich in MgO and FeO metasomatism was not an
important process In the formation of the metamorphic
assemblages.
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Genre | |
Type | |
Language |
eng
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Date Available |
2012-03-20
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Provider |
Vancouver : University of British Columbia Library
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Rights |
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.
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DOI |
10.14288/1.0106716
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URI | |
Degree | |
Program | |
Affiliation | |
Degree Grantor |
University of British Columbia
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Campus | |
Scholarly Level |
Graduate
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Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.