Similar words: volcanic, volcanic eruption, clastic rock, volcano, metamorphic rock, volcanology, microvolt, microchip. Meaning: n. extrusive igneous rock solidified near or on the surface of the Earth.
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31 Assorting and naming of volcanic rock is mainly based on the content of main petrogenetic mineral.
32 The Mesozoic volcanic rock is developed and in sea section, the sediment of Quaternary period is huge-thick, with complicated types and gravel commonly.
33 The purification effect of biological aerated filter stuffed with zeolite, haydite and volcanic rock for river water was studied.
34 The intermediate-acid volcanic rock is the main metallogenic mother rock. the ductile-brittle shear zone is the important ore conducting structure for the formation of gold deposit.
35 A comprehensive geophysical prediction shows that the volcanic rock in the whole area extends as strips.
36 Irruptive rock body reservoir is one of important volcanic rock reservoirs.
37 The basic volcanic rock of low potassic tholeiite series in Rucheng basin was composed of diabase, basalt and basaltic pyroclastic rocks. Sentencedict.com
38 The (examination) of the petrography shows that the volcanic terrains in Tengchong are typical of the basalt-(andesite)-(dacite) arc volcanic rock associations of the calc-alkaline series.
39 The lower level of Yingcheng volcanic rock is tholeiitic, and the upper is alkalic series.
40 Songshunangou gold deposit is located in the volcano - tectonic depression, the mineralization relates to volcanic rock.
41 Volcanic rock, clastic and metamorphic rock reservoirs integrated to form the complex petroleum accumulation region in Erleim basin.
42 The sample consisted of pebbles of gypsum and fragments of volcanic rock.
43 Major volcanic rock types of Carboniferous times are andesitic basalt, dacite, rhyolite(sentencedict.com), characterized by a bimodal volcanic suite.
44 The main rock type of the volcanic rock is trachyandesite with small amounts of trachyte, basaltic-trachyandesite and leucite basaltic-trachyandesite.
45 The Minqiao oilfield is located in the southeast of the Jinhu sag, west of Dongtai depression in the Subei basin. Volcanic rock oil reservoir has been found in the Funing Formation.
46 Sandstone reservoir and volcanic rock distribute alternately, their thicknesses are negative correlation.
47 In this springtime image, snow caps Llaima's summit, but the snow-free slopes appear in shades of purple-brown and green, likely a combination of volcanic rock and vegetation.
48 I had to do an in - class presentation on volcanic rock formation.
49 The Sierra Nevada and the Cascade Mountains meet in Plumas County, and fall color against the grey backdrop of the volcanic rock that covers the region makes for dramatic views.
50 The waters south of the island have been bubbling and fizzing with heat, sediment, bits of volcanic rock, and minerals for weeks, with the plume stretching tens of kilometers.
51 Abundant copper material was derived from volcanic rock series ( olivine tholeiite ) in the rift.
52 In this area the density value of logging response of volcanic rock correlate well with porosity.
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