Igneous rock is one of the three main rock types, the others being sedimentary
and metamorphic. Igneous rock is formed through the cooling and solidification of
Basalt is a fine-grained, dark-colored extrusive igneous rock composed mainly of
plagioclase and pyroxene. The specimen shown is about two inches (five ...
Hi my name is Vienna and I am 8 years old and I really love examining rocks. I
have a lot of rocks and lots of my rocks have cool colours like bright blue, purple,
Sep 26, 2015 ... ... out answers for my Geology Homework. This homework refers to the rock cycle
, characteristics of minerals, ingenious. ... Mineral C: Black in color, shiny, layered
in fine sheets 17. What is mineral A in this sample? 18.
We also have mafic rocks, which are dark-colored rocks that contain a lot of
magnesium and iron. The symbol for iron is Fe and if something is 'ferric' it means
Get information, facts, and pictures about Igneous rocks at Encyclopedia.com. ...
contain two or more minerals, which is why some rocks have more than one color
. .... heterogeneous, homogeneous, ingenious •consanguineous, ignominious, ...
Magma forms when rock is heated to high temperatures (between 625 and 1200°
... 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 - ...
Extrusive, or volcanic, igneous rock cools on the surface as lava. ... aplite - light-
colored and fine-grained granitic rock consisting chiefly of quartz and feldspars.
Ingenious rocks are found under and above the earth's surface and are formed
by millions of years of solidifying. Learn more about ingenious rocks in this ...