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ledmorite

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CALCULATED  P - T  FOR GARNET-CLINOPYROXENE PAIRS FROM A <b>LEDMORITE</b> OF THE P...
Published: 01 July 2015
TABLE 14. CALCULATED P - T FOR GARNET-CLINOPYROXENE PAIRS FROM A LEDMORITE OF THE PLPAC
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Photomicrographs of PLPAC minerals. Plane-polarized light: (a), (c), (f), (...
Published: 01 July 2015
Fig. 2. Photomicrographs of PLPAC minerals. Plane-polarized light: (a), (c), (f), (g), (i), (j), and (l); cross-polarized light: (b), (d), (e), and (h); back-scattered electron image: (k). (a) Pyroxenite; (b) malignite; (c) ledmorite; (d) phonolite with cognate xenolith; (e) ouachitite; (f
Journal Article
Published: 01 July 2015
The Canadian Mineralogist (2015) 53 (4): 717–756.
...TABLE 14. CALCULATED P - T FOR GARNET-CLINOPYROXENE PAIRS FROM A LEDMORITE OF THE PLPAC ...
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Amphiboles from the PLPAC. (a) The amphiboles belong to the calcic group, a...
Published: 01 July 2015
from the malignite, ledmorite, and borolanite facies. Silica-undersaturated/silica-oversaturated limit from Harris et al. (1999) . Crosses indicate amphibole endmember compositions. Symbols as in Figure 3 ; gray square, borolanite.
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Clinopyroxene from the PLPAC. (a) Pyroxene composition in the Wo–En–Fs diag...
Published: 01 July 2015
.% in host rocks. Symbols: black diamond, pyroxenite; black square, malignite; gray circle, ledmorite; x, ouachitite; empty triangle, tephrite; empty circle, leucite phonolite.
Journal Article
Published: 01 August 2004
Mineralogical Magazine (2004) 68 (4): 541–559.
... has generally been considered to pre-date thrusting ( Halliday et al. , 1987 ). Sabine (1953) divided the minor intrusions of Assynt into six main classes: ‘grorudite’; ‘Canisp Porphyry’; ‘hornblende porphyrite’; ‘nordmarkite porphyry’; ‘vogesite’ and ‘ledmorite’. We have updated...
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Journal Article
Published: 01 May 2019
American Mineralogist (2019) 104 (5): 659–670.
...-foid ratio of <1:10. The plutonic facies of the phonolitic family is represented by sodalite syenites (locally more mafic “ledmorite”), and foidolites (“tawite”). They are mineralogically related to phonolites, but with a distinct coarse-grained texture. Occurrences are limited to xenoliths...
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Journal Article
Journal: Geosphere
Published: 14 May 2021
Geosphere (2021) 17 (4): 1126–1150.
... petrological descriptions and gave local names to many of the distinctive rock types, such as “borolanite” (nepheline syenite and pseudoleucite-bearing syenite), “cromaltite” (biotite–melanite garnet pyroxenite), “ledmorite” (garnet–aegirine augite–nepheline syenite), and “perthosite” (K-feldspar syenite...
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Journal Article
Published: 01 April 2004
Scottish Journal of Geology (2007) 40 (1): 83–92.
... for the sense of rotation is ambiguous. The age data suggest that the sense of migration of palaeodirections is from NE to NNW ( Fig. 7 ) implying a regional clockwise rotation. The opposite sense of rotation is suggested by the difference between directions of magnetization between the marginal ledmorite...
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Journal Article
Published: 01 January 2011
Journal of the Geological Society (2011) 168 (1): 99–114.
... includes a range of unusual rock-types such as ‘borolanite' (a melanite–biotite nepheline syenite with white spots that represent pseudomorphs after leucite) and ‘ledmorite' (a melanite–augite nepheline syenite) ( Shand 1909, 1910, 1939 ). Woolley (1970 ) identified two separate suites, separated...
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Journal Article
Published: 01 July 2016
The Canadian Mineralogist (2016) 54 (4): 803–825.
... breccia at the contact between clinopyroxenite and syenite; (4) syenitic and trachytic porphyries; (5) a swarm of radial and ring dikes of several compositions including feldspathoid-bearing alkali feldspar trachytes, trachytes, and, less frequently, syenite, ledmorites, phonolites, alkaline lamprophyric...
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Journal Article
Published: 24 November 2020
The Canadian Mineralogist (2020) 58 (5): 597–623.
... syenites (formerly called ledmorites), garnet-bearing pseudoleucite syenites (formerly called borolanites), and pyroxenites and other ultramafics and is delimited from the silica-saturated late suite that comprises syenites and quartz-syenites ( e.g ., Woolley 1970 , Matthews & Woolley 1977...
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Journal Article
Published: 01 December 1994
Journal of the Geological Society (1994) 151 (6): 945–954.
... cromaltite type locality in Bad na h Achlaise. 4: Diopside-rock, from borehole, Bad na h Achlaise. 5: Borolanite (melanite-pyroxene-nepheline syenite with pseudoleucite), Aul- tivullin quarry. 6: Ledmorite (mesocratic, fine-grained melanite- pyroxene-nepheline syenite), Ledmore River. 7: Same as 6 , from...
Journal Article
Published: 01 September 2007
Geological Magazine (2007) 144 (5): 811–835.
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Series: Geological Society, London, Special Publications, Geological Society, London, Special Publications
Published: 01 January 2010
DOI: 10.1144/SP335.18
EISBN: 9781862395831
... detailed petrology and named many rocks of the Borralan complex (e.g. ‘borolanite’, ‘ledmorite’, ‘cromaltite’, ‘assyntite’). The Borralan intrusion is the only mainly silica-undersaturated plutonic complex in Britain and is composed of a variety of rocks including ultramafic (‘cromaltite’ with biotite...
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Series: Geological Society, London, Special Publications
Published: 30 August 2019
DOI: 10.1144/MPAR4.4
EISBN: 9781786204684
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Series: Geological Society, London, Geology of Series, Geological Society, London, Geology of Series
Published: 01 January 2002
DOI: 10.1144/GOS4P.4
EISBN: 9781862393905
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