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Harcourt Granodiorite

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Images from <span class="search-highlight">Harcourt</span> <span class="search-highlight">Granodiorite</span> monazite. ( a ) SEM image of well-etched ...
Published: 01 June 2022
Figure 8. Images from Harcourt Granodiorite monazite. ( a ) SEM image of well-etched spontaneous fission track openings on the (100) pinacoid face. Enlarged image taken at 19 000× magnification. ( b ) SEM Image of well-etched spontaneous fission track openings on a surface perpendicular
Journal Article
Published: 01 June 2022
American Mineralogist (2022) 107 (6): 1065–1073.
...Figure 8. Images from Harcourt Granodiorite monazite. ( a ) SEM image of well-etched spontaneous fission track openings on the (100) pinacoid face. Enlarged image taken at 19 000× magnification. ( b ) SEM Image of well-etched spontaneous fission track openings on a surface perpendicular...
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Image
List of rock-forming and REE-bearing minerals of the granites sampled.     ...
Published: 20 November 2020
Table 1. List of rock-forming and REE-bearing minerals of the granites sampled. Suite Site Type Hbl Bt Zrn Ap Mnz Aln Spn Ms Fl Chl Ararat Ararat Granodiorite I + + + + – + + – – + Stawell Granite I + + + + – + + – + – Harcourt
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Map showing the distribution of the main outcrops of Devonian silicic igneo...
Published: 01 September 2021
=Tolmie Igneous Complex, SG=Silvan Granodiorite, YYB=You Yangs batholith, BP=Baynton pluton, TP=Tynong pluton, HB=Harcourt batholith, SB=Strathbogie batholith, WP=Warburton pluton, RCR=Rainy Creek Rhyolite, VTV=Violet Town Volcanics, MIC=Marysville Igneous Complex, PP=Pyalong pluton, and WPB=Wilsons
Journal Article
Journal: Economic Geology
Published: 01 June 2007
Economic Geology (2007) 102 (4): 745–753.
... covering 3,750 km 2 . Samples were taken from outcrop at sites least affected by weathering; the weight of each sample was about 500 g. A total of 142 samples were selected, 19 from Late Devonian granodiorite of the Harcourt intrusion, and the remainder from sandstone or shale. The rock samples were...
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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 22 December 2023
Lithosphere (2023) 2023 (1): lithosphere_2023_254.
... at ca. 217 Ma, and their moderately high SiO 2 (>64 wt. %), low MgO contents (mostly <2 wt. %), slightly depleted Sr-Nd, and zircon Hf isotopes suggest partial melting of a juvenile crust. Granodiorites from NW and SE Mashhad were emplaced at ca. 217 and 200 Ma, and their geochemical features...
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Journal Article
Published: 01 September 2021
South African Journal of Geology (2021) 124 (3): 565–574.
...=Tolmie Igneous Complex, SG=Silvan Granodiorite, YYB=You Yangs batholith, BP=Baynton pluton, TP=Tynong pluton, HB=Harcourt batholith, SB=Strathbogie batholith, WP=Warburton pluton, RCR=Rainy Creek Rhyolite, VTV=Violet Town Volcanics, MIC=Marysville Igneous Complex, PP=Pyalong pluton, and WPB=Wilsons...
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Journal Article
Published: 20 November 2020
Mineralogical Magazine (2021) 85 (1): 82–93.
...Table 1. List of rock-forming and REE-bearing minerals of the granites sampled. Suite Site Type Hbl Bt Zrn Ap Mnz Aln Spn Ms Fl Chl Ararat Ararat Granodiorite I + + + + – + + – – + Stawell Granite I + + + + – + + – + – Harcourt...
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Journal Article
Journal: Economic Geology
Published: 01 March 2000
Economic Geology (2000) 95 (2): 283–311.
...) is undivided for visual clarity. HG = Harcourt granite, MB = Mount Bute granite, TP = Tarnagulla pluton. Alteration styles recognized in these and in subsequent studies include carbonatization, (de)silicification, sericitization, chloritization, albitization, and sulfidation. This wide range...
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Journal Article
Published: 01 September 1999
Journal of the Geological Society (1999) 156 (5): 1003–1020.
...: geological usage and tectonophysical implications Controversies in modern geology: evolution of geologic theories in sedimentology, Earth history and tectonics 1991 London Academic Press/Harcourt Brace Jovanovich 339 361 Schröder B. Inversion tectonics along the western margin...
Journal Article
Journal: GSA Bulletin
Published: 09 October 2020
GSA Bulletin (2021) 133 (5-6): 1071–1089.
... lower crust through slightly fractional crystallization of hornblende. In contrast, the ca. 470 Ma Aqiang granodiorite intrusion has ε Hf (t) values varying from −5 and −2, but it has heterogeneous petrological and geochemical features. It is considered to be a product of the partial melting...
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Journal Article
Published: 01 May 2016
The Journal of Geology (2016) 124 (3): 293–311.
... of such interactions at upper-crustal levels? Granitic rocks commonly contain fine-grained enclaves of slightly to markedly more mafic igneous rocks (e.g., Didier 1973 ; Didier and Barbarin 1991 ). Such igneous-textured microgranular enclaves (MEs) are mostly granodioritic to tonalitic, and they occur in both...
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Journal Article
Published: 01 September 2010
Journal of the Geological Society (2010) 167 (5): 915–941.
...J.D. Clemens; K. Benn Abstract: The Late Devonian, high-level, post-orogenic Mt Disappointment pluton was emplaced as a nested laccolith. Field observations and magnetic fabric (anisotropy of magnetic susceptibility) data show that the monzogranitic to granodioritic magmas entered the pluton from...
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Journal Article
Journal: Economic Geology
Published: 01 November 2008
Economic Geology (2008) 103 (7): 1483–1506.
...; total 100.3%, n = 44) is commonly intergrown with molybdenite at Hilltop and has been documented by Kelson et al. (2005) . Granite and granodiorite probably underlie most of the northern Shoshone Range and occur as variably sized stocks, plugs, or dikes located both distal and proximal...
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Journal Article
Journal: Economic Geology
Published: 01 July 2001
Economic Geology (2001) 96 (4): 705–721.
... ( VandenBerg et al., 1976 ; VandenBerg, 1978 ; Richards and Singleton, 1981 ; Arne et al., 1998) indicates that regional deformation, in the eastern part of the Bendigo-Ballarat zone at least, did not occur until the Middle Devonian. Emplacement of the Late Devonian Harcourt granodiorite postdates gold...
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Series: Geological Society, London, Special Publications
Published: 01 January 2009
DOI: 10.1144/SP324.2
EISBN: 9781862395725
... the capabilities of this new system we show a comparison of automatic and manual counts obtained for induced fission tracks in a muscovite external detector, and for spontaneous tracks in a typical apatite sample. The apatite was separated from the Harcourt Granodiorite in central Victoria, and has a fission-track...
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Journal Article
Published: 24 January 2007
Canadian Journal of Earth Sciences (2006) 43 (11): 1711–1732.
... includes calc-alkaline volcanic rocks and minor interbedded sediments (Bonanza Volcanics). The Bonanza Group is coeval with quartz diorite, granodiorite, and quartz monzonite of the Island Intrusive Suite ( Gunning 1931 ; Dawson et al. 1991 ; Gordey et al. 1991 ; Yorath et al. 1999 ). The Late...
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Journal Article
Published: 14 February 2006
Canadian Journal of Earth Sciences (2005) 42 (12): 2195–2216.
.... Clasts of the 579.4 ±1.2 Ma Bleida granodiorite (In-glis et al. 2004, Ducrot 1979 ) are abundant in conglomerates and place a maximum age on the onset of Tiddiline Group deposition. The Tiddiline Group has been interpreted either as syn-collisional molasse ( Saquaque et al. 1989 , Hefferan et al. 1992...
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Journal Article
Published: 01 March 2017
The Canadian Mineralogist (2017) 55 (2): 245–281.
... : mireille.debat@wanadoo.fr The pelites have melted to various degrees, producing metatexites, diatexites, and anatectic granitoids ( Fig. 3 ). The migmatites consist of alternations of melanosomes (Bt + Crd + Sil ± Qtz ± Grt), mesosomes (Qtz + Pl + Bt ± Crd), and granodioritic leucosomes [Qtz + Pl (An 25...
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Series: Geological Society, London, Special Publications
Published: 07 September 2023
DOI: 10.1144/SP517-2020-117
EISBN: 9781786209511
... and sandstones; Cb, Cambrian schists and sandstones; CG, Cadomian granodiorites; J, Jurassic limestones; F, fault. Source: BRGM. Fig. 3. Winter thickness of the unsaturated zone in the aquifers of the Orne and Touques catchment areas. Sources: IGN Geofla 2013, BRGM, Seine-Normandy Water Agency...
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