- quartzofeldspathic
Useful english dictionary. 2012.
Useful english dictionary. 2012.
Geology of Mars — Mars Mars as seen by the Hubble Space Telescope Designations … Wikipedia
metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… … Universalium