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Adj.1.dacitic - relating to or consisting of dacite; "dacitic magma is highly viscous"
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Notably, the recoveries are consistent for all ore types--high or low carbonaceous ore, dacitic ore, and blended ore.
1) include mafic flows and tuffs of the Long Reach Formation and conformably overlying, fine-grained, feldspathic sandstone, siltstone, dacitic flows, and minor mafic tuffs of the Jones Creek Formation.
To the east lies the dacitic and adakitic Sahand Volcano and it is possible that the Bezow dome of similar affinity (Modjarrad, 2015 a; 2015b) is part of the volcanic complex (Fig.
These sapphires are believed to have a metamorphic origin followed by transport to the surface in rhyolitic to dacitic volcanic eruptions.
The collected rock samples lie in Volcanic Formation" which consists of dolerites, andesite, dacites, dacitic tuff, rhyolites and rhyolitic tuff.
The geometry of this structure is masked and obliterated by many dacitic and andesitic subvolcanic bodies and pyroclastic flows (Leveratto, 1968), their ages ranging from 18 to 7 Ma (Leveratto, 1976; Bercowski et al.
The project area is shaped like an inverted L with the southern portion nearly covered entirely by the Tireo formation, which consists of andesite and dacitic volcanics with inter-layered sediments generally deposited in a subaqueous environment.
Lopatari-Manzalesti area is also mentioned for its white-grayish pyramidal formation of dacitic tuffs, shaped by water-wind erosion, known as La Grunj (at Manzalesti, from the bed of the river Slanic) and a geological phenomenon, caused by the natural gas given off by the earth, called The Live Fire (at Terca village) (Fig.
ELA 2203 is underlain largely by andesitic volcanic rocks of the ancestral Pliocene Crater Mountain stratovolcano which grew to an immense size before undergoing caldron collapse on a ring fracture system 20 kilometres in diameter, followed by a long period of deep erosion which continued until recent renewed andesitic - dacitic volcanic activity formed a string of smaller parasite cones within and east of the northeast quadrant of the collapse structure.
The upper part of the pyroclastic sequence is composed largely of dacitic, lapilli-rich pyroclastic flows and minor argillite beds, interbedded with and overlain by plagioclase crystal tuff.
The Pliocene to Pleistocene volcanics are represented by andesitic to dacitic lava flows (less than10 volume %) and volcaniclastics including agglomerate, tuff, lapilly tuff, volcanic conglomerate and volcanic breccia (greater than 90 volume %).