DOI: 10.1017/s0016756800065006. The Occurrence of Orthoclase and Microcline in the Granitic Gneisses of the Carn Chuinneag-Inchbae Complex, E. Ross-shire

The Occurrence of Orthoclase and Microcline in the Granitic Gneisses of the Carn Chuinneag-Inchbae Complex, E. Ross-shire

10.1017/s0016756800065006

Crossref journal-article

Cambridge University Press (CUP)

Geological Magazine (56)

Abstract

AbstractOptical examination of the potash feldspars in the granitic gneisses of the Carn Chuinneag-Inchbae complex suggests that both ortho-clase and microcline occur together—not infrequently in the same crystal. Optic axial and extinction angles, intermediate in value between those characteristic of the two polymorphs, have been recorded and plotted graphically. X-ray powder diffraction patterns confirm that both orthoclase and microcline are present together in these rocks. It is believed that most of the microcline developed from orthoclase during the regional metamorphism of the area, which permitted recrystallization at a lower temperature than that at which the orthoclase was formed.

Bibliography

Harker, R. I. (1954). The Occurrence of Orthoclase and Microcline in the Granitic Gneisses of the Carn Chuinneag-Inchbae Complex, E. Ross-shire. Geological Magazine, 91(2), 129â136.

Authors 1

R. I. Harker (first)

References 19 Referenced 6

10.1130/MEM7-p1
10.1306/D4269508-2B26-11D7-8648000102C1865D
10.2475/ajs.250.4.281
{'key': 'S0016756800065006_ref008', 'article-title': 'The geology of lower Strathspey', 'author': 'Hinxman', 'year': '1902', 'journal-title': 'Geol. Survey Mem.'} / Geol. Survey Mem. / The geology of lower Strathspey by Hinxman (1902)
{'key': 'S0016756800065006_ref006', 'first-page': '133', 'article-title': 'On the granulites of Lapland', 'author': 'Eskola', 'year': '1952', 'journal-title': 'Amer. Journ. Sci.'} / Amer. Journ. Sci. / On the granulites of Lapland by Eskola (1952)
{'key': 'S0016756800065006_ref005', 'first-page': '492', 'article-title': 'The feldspar in the intrusive rocks near Beaver-dell, B.C', 'volume': 'xxxvii', 'author': 'Dolar-Mantuani', 'year': '1952', 'journal-title': 'Amer. Min.'} / Amer. Min. / The feldspar in the intrusive rocks near Beaver-dell, B.C by Dolar-Mantuani (1952)
{'key': 'S0016756800065006_ref015', 'article-title': 'The geology of the country around Banff, Huntly, and Turriff', 'author': 'Read', 'year': '1923', 'journal-title': 'Geol. Survey Mem.'} / Geol. Survey Mem. / The geology of the country around Banff, Huntly, and Turriff by Read (1923)
Johannsen A. , 1932. A descriptive petrography of the igneous rocks, Vol. 2.
10.1086/625762
{'key': 'S0016756800065006_ref007', 'first-page': '89', 'article-title': 'Authigenic feldspar in sandstones of south-eastern Minnesota', 'volume': 'iv', 'author': 'Goldich', 'year': '1934', 'journal-title': 'Journ. Sedimentary Petrology'} / Journ. Sedimentary Petrology / Authigenic feldspar in sandstones of south-eastern Minnesota by Goldich (1934)
Mackenzie W. S. , 1952. Optical and X-ray studies of alkali feldspars. Carnegie Institution of Washington Year Book, No. 51, 49.
10.1086/625996
{'key': 'S0016756800065006_ref013', 'first-page': '199', 'article-title': 'Petrology and geology of the Rondane area', 'volume': 'xxviii', 'author': 'Oftedahl', 'year': '1950', 'journal-title': 'Norsk. Geol. Tidskr.'} / Norsk. Geol. Tidskr. / Petrology and geology of the Rondane area by Oftedahl (1950)
{'key': 'S0016756800065006_ref014', 'article-title': 'The geology of Ben Wyvis, Carn Chuinneag, Inchbae, and the surrounding country', 'author': 'Peach', 'year': '1912', 'journal-title': 'Geol. Survey Mem.'} / Geol. Survey Mem. / The geology of Ben Wyvis, Carn Chuinneag, Inchbae, and the surrounding country by Peach (1912)
10.1073/pnas.3.11.659
{'key': 'S0016756800065006_ref017', 'first-page': '92', 'article-title': 'The role of kyanite in the “ hornfels-zone ” of the Carn Chuinneag granite, Ross-shire', 'volume': 'xxiv', 'author': 'Tilley', 'year': '1935', 'journal-title': 'Miner. Mag.'} / Miner. Mag. / The role of kyanite in the “ hornfels-zone ” of the Carn Chuinneag granite, Ross-shire by Tilley (1935)
{'key': 'S0016756800065006_ref018', 'first-page': '553', 'article-title': 'Optical studies on alkali feldspars', 'author': 'Tuttle', 'year': '1952', 'journal-title': 'Amer. Journ. Sci.'} / Amer. Journ. Sci. / Optical studies on alkali feldspars by Tuttle (1952)
{'key': 'S0016756800065006_ref019', 'first-page': '215', 'article-title': 'Some unusual alkali-feldspars in the Central Australian charnockitic rocks', 'volume': 'xxix', 'author': 'Wilson', 'year': '1950', 'journal-title': 'Miner. Mag.'} / Miner. Mag. / Some unusual alkali-feldspars in the Central Australian charnockitic rocks by Wilson (1950)
{'key': 'S0016756800065006_ref016', 'article-title': 'The geology of Strath Oykell and Lower Loch Shin', 'author': 'Read', 'year': '1926', 'journal-title': 'Geol. Survey Mem.'} / Geol. Survey Mem. / The geology of Strath Oykell and Lower Loch Shin by Read (1926)

Dates

Type	When
Created	16 years, 3 months ago (May 1, 2009, 7:30 a.m.)
Deposited	6 years, 2 months ago (June 7, 2019, 1:59 a.m.)
Indexed	1 year, 1 month ago (July 24, 2024, 1:15 p.m.)
Issued	71 years, 4 months ago (April 1, 1954)
Published	71 years, 4 months ago (April 1, 1954)
Published Online	16 years, 3 months ago (May 1, 2009)
Published Print	71 years, 4 months ago (April 1, 1954)

Funders 0

None

BibTeX

@article{Harker_1954, title={The Occurrence of Orthoclase and Microcline in the Granitic Gneisses of the Carn Chuinneag-Inchbae Complex, E. Ross-shire}, volume={91}, ISSN={1469-5081}, url={http://dx.doi.org/10.1017/s0016756800065006}, DOI={10.1017/s0016756800065006}, number={2}, journal={Geological Magazine}, publisher={Cambridge University Press (CUP)}, author={Harker, R. I.}, year={1954}, month=apr, pages={129–136} }

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