volcanic belt
Petrochemistry, geochronology and tectonic implication of the Chiang Khong Lampang Tak volcanic belt, Northern Thailand
... The Chiang Khong-Lampang-Tak Volcanic Belt in the Chiang Khong region comprises three sub-parallel belts, from west to east, the Chiang Khong Western Belt CK-WB, Chiang Khong Central Bel[r] ...
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Age and paleomagnetism of the Okhotsk-Chukotka Volcanic Belt (OCVB) near Lake El'gygytgyn, Chukotka, Russia
... Okhotsk-Chukotka Volcanic Belt (OCVB) volcanics exposed in the area around Lake El’gygytgyn, Chukotka yield stable, consistent magnetic vectors and well-preserved reversed ...This belt is made up of ...
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Paleomagnetic data from the Trans Mexican Volcanic Belt: implications for tectonics and volcanic stratigraphy
... Miocene volcanic rocks from the Trans-Mexican Volcanic ...the volcanic units have been emplaced during a relatively short time span of 1 to 2 My at each ...
12
Volcanological and tectono magnetic evolution of the cadia forest reefs region, southern Molong volcanic belt, Australia
... 7.2 MAGMATIC AFFINITIES OF THE ORDOVICIAN VOLCANIC INTRUSIVE ROCKS FROM THE CADIA- FOREST REEFS REGION 7.2.1 Darriwilian to Gisbornian basaltic lavas and hypabyssal intrusions Mount Plea[r] ...
11
Seismicity at the northeast edge of the Mexican Volcanic Belt (MVB) and activation of an undocumented fault: the Peñamiller earthquake sequence of 2010–2011, Querétaro, Mexico
... the volcanic arc itself, are superposed on a nearly perpendicular preexisting stress and deformation province, which may cor- respond to the extension of the Basin and Range (BR) into Mexico (Suter, ...
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Analysis of volcanic facies at the Chatree gold mine and in the Loei Petchabun Volcanic belt, central Thailand
... The geochemical data assessed (from Chapter 6) suggests that the clasts from the andesitic lithic breccia facies and the silicified pumice breccia is from an Island Arc setting. The validity of this data does remain ...
133
Provenance of exhalites associated with the Lemarchant volcanogenic massive sulphide (VMS) deposit, central Newfoundland, Canada: Insights from Nd isotopes and lithogeochemistry
... Abstract: Neodymium isotope data on metalliferous mudstones (exhalites) and tuffs from the Cambrian Lemarchant VMS deposit provide insights into the tectonic environment of the Tally Pond volcanic belt, ...
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Structure and sedimentology of the Dundas Group, Western Tasmania
... ABSTRACT Middle and Late Cambrian sediments and minor intrusives of the Dundas Group form the western most exposures in the Mt Read volcanic belt of western Tasmania.. The Dundas Group c[r] ...
11
Intrusive history and volatile evolution of the Endeavour porphyry Cu Au deposits, Goonumbla district, NSW, Australia
... The oldest rocks exposed in the Goonumbla region of the Junee-Narrornine Volcanic Belt are the Nelungaloo Volcanics Figure 2.3a, the basal units of the Early Ordovician to Early Silurian[r] ...
368
First occurrence of Panthera atrox (Felidae, Pantherinae) in the Mexican state of Hidalgo and a review of the record of felids from the Pleistocene of Mexico
... Table 3. The record of felids from the Pleistocene of Mexico. The morphotectonic provinces are those of Ferrusquía-Villafranca (1993). Morphotectonic provinces: NW, Northwestern Plains and Sierras; CH-CO, ...
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The deglaciation of the mountains of Mexico and Central America
... ABSTRACT. The last deglaciation is an interval of marked changes in the climate system. The records of glaciation of tropical mountains offer unique opportunities to assess the timing of changes and the sensitivity of ...
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Provenance of exhalites associated with the Lemarchant volcanogenic massive sulphide (VMS) deposit, central Newfoundland, Canada : insights from Nd isotopes and lithogeochemistry
... Role of metalliferous mudstones and detrital shales in the localization, genesis, and paleoenvironment of volcanogenic massive sulphide deposits of the Tally Pond volcanic belt, central [r] ...
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Geology, host rock succession, and hydrothermal alteration of the Waterloo volcanic hosted massive sulphide deposit (Northern Queensland, Australia)
... Tbe oldest VHMS deposits of the Tasman Fold Belt System are located in tbe Cambrian Mount Read Volcanic Belt, in tbe Cambro-Ordovician Balcooma Metavolcanics, and in tbe Cambro-Ordovicia[r] ...
313
Lithostratigraphic and structural reconstruction of the Zn Pb Cu Ag Au Lemarchant volcanogenic massive sulphide (VMS) deposit, Tally Pond group, central Newfoundland, Canada
... massive sulphide deposits of the Tally Pond volcanic belt, central Newfoundland,.. Canadian Journal of Earth Sciences, v.[r] ...
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Volcanic Stratigraphy and Lithogeochemistry of the Northern Section of the Lynn Lake Greenstone Belt: Implications for Regional Geodynamics and Metallogenesis
... greenstone belt hosts a single significant Cu-Zn deposit ...rift-related volcanic rocks of the Wollaston Domain, and the presence of Sedex occurrences in the calc-silicate rocks of the Kasmere and Putahow ...
297
Magmatic and volcanic evolution of a silicic large igneous province (SLIP): the Gawler Range Volcanics and Hiltaba Suite, South Australia
... conchoidal fracture. Millimetre-spaced fl ow bands are particularly evident at the top and base of the unit. The bands (Fig. 3.22 A) are defi ned by alternating reddish, grey (quartz-rich) and black aphanitic layers and ...
203
Fossil seaward dipping reflector sequences preserved in southeastern Australia: a 600 Ma volcanic passive margin in eastern Gondwanaland
... The recognition of a major rifting event in the southeastern sector of Gondwanaland at c. 600 Ma has profound implications for reconstructions of Rodinia (Veevers 2000). Recent palaeo- magnetic work on Rodinia break-up ...
6
A primitive mantle source for the Neoarchean mafic rocks from the Tanzania Craton
... greenstone belt: (1) the in- ner belt comprising gabbro and pillow basalt with a generally out- ward younging direction (Borg, 1992), and with subordinate felsic fl ows and pyroclastics, all of which have ...
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Geology and geochemistry of the Fenton Creek Zone (Manitoba, Canada)
... G.,1999, Evolution of the Paleoproterozoic Snow Lake arc assemblage and geodynamic setting for associated volcanic-hDsted massive sUlphide deposits, Flin Flon Belt, Manitoba, Canada.. NA[r] ...
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Facies Architecture of the Volcanic Sedimentary Complex of the Iberian Pyrite Belt, Portugal and Spain
... The VS Complex consists of the proximal products of effusive felsic eruptions, namely lavas, domes, cryptodomes, and partly extrusive cryptodomes, and minor mafic intrusions. These units alternate with submarine ...
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