Sentences with phrase «rock particles»
Many dated deposits at the Spanish cave art sites contain rock particles from external sources that can throw off age estimates.
sciencenews.org
A beach or strand is a geological formation consisting of loose rock particles such as sand, shingle, cobble, or even shell along the shoreline of a body of water.
Cassini's cosmic dust analyzer (CDA) instrument repeatedly detected miniscule rock particles rich in silicon, even before Cassini entered Saturn's orbit in 2004.
Top photo: While rivers of meltwater wind across the Greenland ice sheet, a windblown dust of soot, small rock particles and bacteria darkens areas on the ice.
silt unconsolidated or loose sedimentary material whose constituent rock particles are finer than grains of sand and larger than clay particles
They found more than seven types of rocks with different features corresponding to how the rock particles were deposited.
As the sea reaches into the fissures thus formed, they begin to widen and deepen due to the tremendous force exerted within a confined space, not only by direct action of the surf and any rock particles that it bears, but also by compression of air within.