granulite facies
New constraints on granulite facies metamorphism and melt production in the Lewisian Complex, northwest Scotland
... Partial melting is an inherent feature of high grade metamorphic rocks that form in the deep crust. As seen in the exposed roots of orogens worldwide, these deep crustal levels often contain signicant proportions of ...
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Geochemistry of Amphibolite Granulite facies gneisses of Sakaleshpur Somvarpet Area Western Dharwar Craton
... during granulite metamorphism, role and source of ...the granulite terrain has received much attention in recent years in view of the gneiss – charnockite relationship (Hansen et al 1987; Raase et al 1986; ...
15
Origin, age, and significance of deep seated granulite facies migmatites in the Barrow zones of Scotland, Cairn Leuchan, Glen Muick area
... the granulite-facies mineral assemblages and evidence for partial melting visible in both metasedimentary and metabasic lithologies at Cairn Leuchan are consistent with these outcrops preserving the highest ...
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Group Discussion on The Granulite Facies Terrains of Southern Peninsular India
... Within the lower Charnockite Suite, there are no evidences for clear-cut intrusive relationship of a magmatically differentiated 'Charnocki te Series' as originally proposed by Holland, [r] ...
25
Granulite Facies BIF from the Betul Supracrustal Belt, Central India
... As indicated earlier, the high-grade rocks are separated from the low- grade supracrustal association of the Betul belt by ultramafic-mafic and granitic rocks (Fig.. Thus, the[r] ...
6
New Insights On The Chronological Relation Between The Supracrustals And The Magmatic Rocks (Charnockite Massifs) In The Eastern Ghats Granulite Belt, India And The Question Of Basement To The Supracrustals
... mafic granulite enclaves clearly demonstrate their restitic nature ...mafic granulite enclaves, demonstrate a melt-restite relation between them ...under granulite facies ...and ...
19
Genesis of Two Types of Carbonaceous Material and Associated with Gold Mineralization in the Bumo Deposit, Hainan Province, South China
... The Proterozoic strata in Hainan Province are well-developed (Figure 1B), including Mesoproterozoic Baoban Group (ca. 1.8 – 1.45 Ga); [16], Meso-Neoproterozoic Shilu Group (ca. 1075 – 880 Ma); [19] and ...
15
Some Problems Pertaining to The Peninsular Gneissic Complex
... While the granulite facies rocks in the most ancient rock complexes are probably related to a higher thermal regime of the earth in early Precambrian time, it must be realised that the e[r] ...
16
Extreme extension across Seram and Ambon, eastern Indonesia: evidence for Banda slab rollback
... under granulite facies conditions in the lower crust until the onset of anatexis, with the aluminous xenoliths representing residua after partial ...
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The structure and chemistry of feldspars in selected Australian granites
... Conta ct Aureole The Regional Aureole granites associated with rocks of the granulite facies contain one or more of the following, garnet, cordierite, sillimanite, kyani te or hypersthen[r] ...
189
Evaluation of the Above Ground Biomass of Steppe Ecosystems According to Their Stage of Degradation: Case of the Area of Ain Skhouna (Western Algeria)
... each facies, we considered that the dynamic of the above-ground biomass is an interesting indicator for quantifying the degree of de- gradation of the steppic ...
8
Analysis of different statistical models in probabilistic
... logged porosity values (black line). c) Posterior distribution for litho-fluid facies. d) Actual facies 282. profile derived from well log information. e) MAP solution for the facies cl[r] ...
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Lithofacies Analysis and Petroleum Potentials of Parts of Ikom-Mamfe Embayment, South-Eastern Nigeria
... sandstone facies consist of a light grey to white coloured arkosic sandstone observed almost throughout the study ...(1978) facies (Sm) which is interpreted as sediment gravity flow, with occasional lag and ...
12
Submarine volcanism and alteration in the Cambrian, northern Central Volcanic Complex, western Tasmania
... In this section, diagenetic alteration facies in the northern Central Volcanic Complex east of the Mount Black Faulr are compared with footwall hydrothermal alteration facies associated [r] ...
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The middle–upper Cenomanian of Zilly (Sachsen- Anhalt, northern Germany) with remarks on the Pycnodonte Event
... STRATIGRAPHIC INTERPRETATION: Only an inte- grated stratigraphic approach enabled the integration of the Zilly section into the Cenomanian stratigraphic framework (Text-fig. 6). From a lithostratigraphic view- point, the ...
15
Facies Development and Depositional Environment of the Patherwa Formation (Semri Group), Son Valley, India
... Azimuthal data of cross-bedded sandstone facies (St-, Sp- and (S-hb)-facies) were measured where cross-bed- ding surfaces are properly exposed or could be reliably reconstructed. The azimuthal data recorded ...
11
Depositional architecture and history of the late Permian Broughton, Pheasants Nest and Erins Vale formations, Southern Sydney Basin, New South Wales, Australia
... BROUGHTON FORMATION AND PART OF THE UPPER BERY SILTSTONE Facies Slax - Low-Angle Cross-Stratified Sandstone Facies Sma - Massive-Appearing Sandstone: Facies Smb - Bioturbated Massive San[r] ...
493
Lithostratigraphy and Lithochemistry of Ordovician volcano plutonic rocks in the Blayney area, central Molong Belt, NSW
... • Figure 4.5 Simplified stratigraphic logs for the key Ordovician units, showing the lava-dominated facies association of the BLV and the limestone facies association withm the BYV centr[r] ...
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Insights on high-grade deformation in quartzo-feldspathic gneisses during the early Variscan exhumation of the Cabo Ortegal nappe, NW Iberia
... An early–mid Devonian (400–388 Ma) HP-HT metamor- phic event is well documented by Garnet-Clinopyroxene (Grt-Cpx) whole-rock Sm-Nd ages in the metaperidotites of the ultramafic unit (Santos et al., 2002), U-Pb zircon ...
20
Fiamme textures in volcanic successions: Flaming issues of definition and interpretation
... this facies, the continuity and undisturbed state of the bedding in the siltstone and the relatively good sorting of the siltstone support the interpretation that the fiamme–siltstone breccia facies ...
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