Author: Study Clue

Hydrolysis of feldspar commonly produces clay minerals like A Kaolinite B Halite C Gypsum D Magnetite Explanation Feldspar reacts with

Which weathering type changes minerals through water reacting with feldspar A Abrasion B Hydrolysis C Insolation D Deflation Explanation Hydrolysis

Weathering means the breakdown of rocks at or near Earth’s surface A Lava cooling B Plate collision C Rock breakdown

A rock showing “large crystals in fine matrix” indicates which cooling history most accurately? A Rapid then slow cooling B

A rock that cools slowly deep underground is most likely to be A Fine extrusive igneous B Layered clastic sedimentary

A rock formed by rapid cooling in water may show “pillow” shapes; it is usually A Granite pluton B Marble

Which rock type generally forms a hard “crystalline mass” instead of layers? A Igneous crystalline rocks B Clastic sedimentary rocks

Which group of rocks forms directly by cooling of molten material? A Sedimentary rocks B Igneous rocks C Metamorphic rocks

The “double seismic zone” in some subduction areas mainly suggests A Two ocean currents B Two wind belts C Two

The sloping plane of earthquakes in a subduction zone is called A Benioff zone B Rift zone C Fold axis