Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective geology Being a
clastic rock chiefly composed ofvolcanic materials - noun geology A
clastic rock chiefly composed ofvolcanic materials
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Several zones of sulphide mineralization have been identified within the felsic tuffs and at the contact of the intermediate meta-volcaniclastic rocks and felsic tuff at Terakimti.
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Several zones of sulphide mineralization have been identified within the felsic tuffs and at the contact of the intermediate meta-volcaniclastic rocks and felsic tuff at Terakimti.
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The kimberlites at Nanuq are unique in the Western Churchill Province of the eastern Arctic in that they represent the first reported occurrence of "Lac de Gras-type" crater-facies volcaniclastic and resedimented volcaniclastic kimberlites in the region.
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Tertiary-age volcaniclastic rocks with very subtle alteration features.
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The kimberlites at Nanuq are unique in the Western Churchill Province of the eastern Arctic in that they represent the first reported occurrence of "Lac de Gras-type" crater-facies volcaniclastic and resedimented volcaniclastic kimberlites in the region.
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It intersected 44.04 metres of high grade silver-lead-zinc mineralization in the known zone, termed "Zone 1", but went on to intersect two additional structurally hosted mineralized zones in previously untested volcaniclastic rocks, termed "Zone 2" and "Zone 3".
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The observed kimberlite is dominantly volcaniclastic with abundant limestone and shale xenoliths.
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Cretaceous-Tertiary volcanic and volcaniclastic rocks rest upon a basement of Paleozoic and Mesozoic sedimentary and metamorphic rocks.
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In the second hole at CH-32, drilled at an inclination of 65 degrees, both magmatic and volcaniclastic kimberlite were intersected.
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The kimberlites at Nanuq are unique in the Western Churchill Province of the eastern Arctic in that they represent the first reported occurrence of "Lac de Gras-type" crater-facies volcaniclastic and resedimented volcaniclastic kimberlites in the region.
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