Igneous rock or magmatic rock, is one of the three main rock types, the others
being sedimentary and metamorphic. Igneous rock is formed through the cooling
Basalt is a fine-grained, dark-colored extrusive igneous rock composed mainly of
plagioclase and pyroxene. The specimen shown is about two inches (five ...
Get information, facts, and pictures about Igneous rocks at Encyclopedia.com. ...
Acidic rocks are light in color and basic rocks are dark in color. .... •genius,
heterogeneous, homogeneous, ingenious •consanguineous, ignominious,
The exact temperature needed to melt rock is controlled by several factors. ... All
of these rock types are light in color because of the dominance of quartz, ...
FELDSPAR in INGENIOUS rocks↓. ↓ breaks down to ↓. ↓ sedimentary rock
mixed with other minerals↓. - which are blended into clay bodies - ...
Igneous rocks can be classified by their texture and composition. ... We also have
mafic rocks, which are dark-colored rocks that contain a lot of magnesium and ...
Feb 9, 2011 ... Igneous rock, any of various crystalline or glassy rocks formed by the cooling and
solidification of molten earth material. Igneous rocks comprise ...
Sep 26, 2015 ... ... figuring out answers for my Geology Homework. This homework refers to the
rock cycle, characteristics of minerals, ingenious. ... Mineral C: Clear in color and
very hard, does not have a cleavage. 5. Mineral A described in ...
Igneous Rock Textures ... The dark color is due to abundant dark colored
minerals (pyroxene, ... A hand specimen of a volcanic rock with porphyritic texture
These rocks can be identified by their textures, mineral content, and color. Refer
to Igneous Rocks Photos for more visual examples of each of these igneous ...