Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adverb By
hydrothermal means
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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It seems to us that it may not be all hydrothermally generated at this point in time, but perhaps more likely that there's still some residual magma in the system from 1998 (UNINTELLIGIBLE) ...
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We report U-Pb crystallization ages for zircon grains and Ar-Ar whole-rock spectra for a hydrothermally altered granodiorite (31-17) at Medicine Lake Volcano, a half-million-year-old shield volcano of basalt through rhyolite composition.
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The high-grade mineralization is hosted in intensely silicified, veined, and hydrothermally brecciated sedimentary and tuffaceous volcanic rocks.
unknown title 2011
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Mineralization occurs in structurally and hydrothermally brecciated silicified rock, with veins and disseminated mineralization present.
unknown title 2011
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Bullion Monarch Mining's previous drilling program in 2010 see press releases dated April 4 and September 2, 2010 confirmed the presence of a large, hydrothermally altered system with zones of anomalous mineralization.
unknown title 2011
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The gold occurs in hydrothermally altered brecciated volcanic rocks that exhibit strong argillization, silicification and sulphide veining characteristic of high level epithermal systems.
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The large halo of widespread and continuous lower grade gold along with geochemically elevated intervals of silver, arsenic, cobalt, mercury and molybdenum within hydrothermally altered and brecciated volcanic rocks indicates this has been an active and dynamic system.
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These rocks appear to be intensely hydrothermally altered.
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Brown et al, suggests that carbonate bearing rocks found in the Nili Fossae region of Mars are made up of hydrothermally altered ultramafic (perhaps komatiitic) rocks.
PhysOrg.com - latest science and technology news stories 2010
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Adrian J Brown suggests that the rocks are made up of hydrothermally altered ultramafic
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