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debris in geology, an accumulation of broken pieces of rock. [1/2 definitions]
degrade to wear down (rock) and cause disintegration. [1/8 definitions]
denude in geology, to lay (rock) bare by eroding the layer of soil that covers it. [1/2 definitions]
Devonian the Devonian Period, or the rock formations that date from that time. [1/2 definitions]
dolomite a sedimentary rock, similar to limestone, that consists mainly of this mineral. Also known as dolostone. [1/2 definitions]
dome something that has a shape similar to an architectural dome, such as a rounded rock formation or the sky. [1/7 definitions]
Eocene the Eocene Epoch, or the rock formations that date from that time. [1/2 definitions]
eolian of sand or rock matter, carried, produced, or formed by the wind.
exfoliate to cast off (skin, bark, rock or the like) in scales, layers, or flakes. [1/2 definitions]
facies in geology, the characteristics of a rock, such as appearance or composition, that distinguish it from others and indicate its origin.
fault a break in a body of rock that is part of the earth's crust, with the result that the planes of contiguous surfaces are displaced. [1/7 definitions]
foliate to split into thin layers, as laminated rock. [1/9 definitions]
folk-rock popular music that combines characteristic elements of folk music and rock-'n'-roll, often using lyrics similar to the former, with rhythm from the latter, as in songs of social protest.
fossil the remains or trace of a living organism from an earlier geologic age, embedded in earth or rock. [2/3 definitions]
fracking the injection into an oil or natural gas well of large amounts of pressurized water containing sand and chemicals, which fractures the surrounding rock, creating fissures through which oil or gas flows into the well, thus increasing its output; hydraulic fracturing.
gad2 a pointed tool or spike used in mining ore or rock. [1/3 definitions]
geostatic of or pertaining to the pressure that surface rock exerts. [1/2 definitions]
Gibraltar this mountain; Rock of Gibraltar. [1/3 definitions]
gneiss a metamorphic rock made up of minerals similar to those in granite but arranged in bands that differ in color, some bands containing feldspar and quartz and others containing hornblende and mica.
granite a coarse-grained igneous rock usu. composed of silica-rich minerals such as quartz, feldspar, and small amounts of mica or amphibole, commonly used for building, sculpture, and the like. [1/2 definitions]
groupie (informal) one who tries to attach oneself to an admired group such as a rock band, as by following the group to public concerts and parties. (See camp follower.)