Basalt - Study guides, Class notes & Summaries

ISP 203B EXAM 2 Questions With Solutions Cinder Cones - Small steep cones of scoria(products of mild explosive eruptions of basalt magma) with large crater at the summit. Shield Volcanoes - Very large, very broad (not steep) mountains mostly formed of basalt lava flows.Have long old history of eruptions producing lava flows. Strato-Volcanoes - Very steep, tall, conical mountains formed of strata (layers) of lava flows and pyroclastic flows. - Associated with dangerous ash clouds and p...

Texas Teacher Exam - Science minerals - ANS ️️ A solid inorganic substance of natural occurrence. tectonic plates - ANS ️️ Sections of the Earth's crust that move due to convection currents. tectonic plates - ANS ️️ pieces of the lithosphere that move around on top of the asthenosphere oceanic crust - ANS ️️ earths crust located under the ocean. The thinnest type of crust. Mostly basalt continental crust - ANS ️️ thicker, less dense crust making the continents magne...

DSST Test Questions The ability of a mineral to resist scratching is called - hardness The breaking of a mineral along definite planes is called - cleavage The two most abundant elements in the earth's crust are - oxygen and silicon Which of the following internal crystalline structure of minerals does not have three axes at right angles to one another? - monoclinic Ore minerals contain - a useful metal or nonmetal that is easily extracted The two most important identifying c...

We now use radioactive decay to determine the age of geological materials. What is one feature of an ideal material for radiometric dating? - ️️No initial daughter isotope when the material formed We now use radioactive decay to determine the age of geological materials. Which of the following is NOT a feature of an ideal material for radiometric dating? - ️️The material incorporated a large amount of parent isotope as it formed Daughter isotopes cannot easily move out of the material ...

Geology Chapter 4 Final Exam Study Guide Test. "Wet" igneous rock melts at a lower temperature than the "dry" version of that same rock because A. the addition of volatiles in "wet" rocks lowers their melting temperature. B. they occur on the seafloor, where temperatures are already cold. C. "dry" igneous rocks are made of more felsic minerals. D. "wet" igneous rocks form at shallower depth in the Earth. - CORRECT ANSWER A. the addition of volatiles in "wet" rocks lo...

APSC 151 Final Exam Prep | 100% Correct | Verified | 2024 Version Complex multicellular organisms were not present in which Era A) Neogene B) Paleo-Proterozoic C) Mesozoic D) Precambrian - Neogene For a billion years or more, oxygen being produced by cyanobacteria was completely consumed in the process of A) The creation of chlorophyll B) The creation of phospholipid membranes on clay surfaces C) The precipitation of iron from the ocean waters D) Coal formation - The pr...

EARTH SCIENCE EXAM REVIEW QUESTIONS AND CORRECT ANSWERS 2024/2025 GRADED A+. 2 / 5 1. seismic waves: Vibrationsthat travel through Earth carrying the energy releasedduring an earthquake. 2. crust: the outer layer of the Earth 3. mantle: the layer of hot, solid material between Earth's crust and core 4. lithosphere: the solid, outer layer of the earth that consists of the crust and therigid upper part of the mantle 5. asthenosphere: the soft layer of the mantle on which the lithospher...

APSC 151 Midterm Exam Study Guide | 100% Correct | Verified | 2024 Version Compared to the age of the Universe of about 14 billion years, the currently accepted age of Earth is about ________ years as determined by using radioactivity for dating rocks and minerals. A) 4.6 thousand B) 4.6 billion C) 5.4 million D) 13.7 billion - B The ________ division of the geologic time scale is an era of the Phanerozoic Eon. A) Paleocene B) Paleozoic C) Permian D) Proterozoic - B The Eart...

ISP 203B EXAM 2 WITH COMPLETE & VERIFIED ANSWERS Volcanic Mudflows - ANS ️️ - Form when ash combines with water primarily on stratovolcanoes, and pours down their flanks at high speeds. Similar to very wet concrete. People are often killed by the boulders carried by the flows. - You can't outrun it - Climb up the valley side for safety. Lahars - ANS ️️ - A hot mudflow. Mt. Rainer - ANS ️️ - Poses serious mudflow risks for Seattle-Tacoma area. - Stratovolcano. - Every 500 ye...

What is Geotechnical Engineering? correct answers The branch of Civil Engineering that deals with soil, rock and underground water and their relation to the design, construction and operation of engineering projects. Issues Covered by Geotechnical Engineers correct answers What are the soils/rocks in the subsurface? Can the soil support the proposed project? Ground water impacts on project Impact of excavation, gradation and filling? Are natural earth slopes stable? Geotechnica...