WebThe deepest penetration by humans into the Earth's crust is a drill core about ________ kilometers. 12. Sedimentary rocks are the most common bedrock on the continents and comprise about ________. percent of the surface. 75. The viewpoint that past processes are the same as the present ones which created our present land. surface is known as WebAndesite is the name of a family of fine-grained, extrusive igneous rocks that are usually light to dark gray in color. They have a mineral composition that is intermediate between granite and basalt. Andesite is a rock …

Geography ch 13 and 14 Flashcards Quizlet

WebRock-forming minerals are minerals that are commonly found in the Earth's crust and are responsible for the formation of various types of rocks. These minerals make up the majority of the Earth's crust and are the building blocks of rocks, which are aggregates of minerals. Rock-forming minerals are typically silicate minerals, which are composed of silicon (Si) … WebIt is the extrusive equivalent of granite. A porphyry is an igneous rock of any composition that contains conspicuous crystals (Phenocrysts) in a fine-grained matrix. The photograph shows an outcrop of dark, fine-grained rhyolite containing larger pink feldspar phenocrysts, which give a porphyritic appearance. subway stop abbr

[Solved] Which of the following is an example of extrusive

WebStudy with Quizlet and memorize flashcards containing terms like _____ is an example of a native element. A) Halite B) Calcite C) Lead D) Iron E) Gold, Under most of the Earth's … WebIgneous Rocks. Basalts are dark colored, fine-grained extrusive rock. The mineral grains are so fine that they are impossible to distinguish with the naked eye or even a magnifying glass. They are the most widespread of all the igneous rocks. Most basalts are volcanic in origin and were formed by the rapid cooling and hardening of the lava flows. painting blue board