A light-colored igneous rock consisting essentially of alkali feldspar.
Because they have been extruded or pored out on the earth's surface, igneous rocks from volcanoes are called extrusive igneous rocks.
Any of numerous minute rudimentary, crystalline bodies of unknown composition found in glassy igneous rocks.
A change within an intrusive igneous rock caused by the assimilation of portions of the surrounding rock.
Daniels says Western Australia's metamorphic rocks contain more iron than the igneous rocks on the east coast, making some of the beaches a more orangey-red colour.
Any of a group of igneous and metamorphic rocks, rich in iron and magnesium, whose origin is associated with an early phase of the development of a geosyncline.
Introduced are principle and method of applying Stoneley wave and the anisotropy of shear wave picked from the dipole shear wave image logging to evaluate the fracture effectivity of igneous rock.
A dark, fine - grained igneous rock;diabase.
A dense igneous rock that consists mainly of olivine and is a source of magnesium.
igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or basalt.
Both intrusive and extrusive igneous rocks can be further classified according to the differences of chemical and mineral compositions.
Return the home, I am firm an igneous light, his pa mixes to the horse careless, go out go up, see Sui Xiang came down from on transformer one fume.
Plutonic igneous rock having visibly crystalline texture.
I wonder if there are further classifications of igneous rocks.
The molten rock in the Earth that can either rise to the surface as lava and form extrusive igneous rock or cool within the Earth to form plutonic igneous rock.
"The ultimate source of phosphate in Martian fluids is likely from the weathering of calcium-phosphate minerals in igneous rocks," the researchers write.
The models for igneous gas reservoir formation mainly include two types: Transported by the faults near source rock type and Transported by the faults far from source rock type.
A body of igneous rock formed beneath the surface of the earth by consolidation of magma.
The practice and understanding of the electrical exploration to seek groundwater in limestone area invaded by igneous rocks
The results of well-to-seismic calibration are effective by selecting Permian igneous rock and Carboniferous double-peak limestone as the reference layers, adjusting appropriately acoustic velocity and choosing the most suitable wavelet.
Lower Carboniferous is composed of sea facies fragments and mid-acidic component igneous rock.
This paper describes the technique employed in searching for concealed igneous rock (ore) bodies in metallic ore districts and the achievements gained.
rare plagioclastic feldspar occurring in many igneous rocks.
The degree of geological work and research for the deposit is quite low. The ore body is obviously controlled by basic igneous rocks of Wanbaogou group and structural faults.
Of or relating to igneous rock that is forced while molten into cracks or between other layers of rock.
The granite of the "Suhler Scholle " is capped with Permian sediments and igneous deposits.
Potassium-argon dating: Method for determining the age of igneous rocks Based on the amount of argon-40 in the rock.
A dark igneous porphyry embedded with feldspar crystals.
An igneous rock consisting chiefly of pyroxenes.
