Chemical weathering Study guides, Class notes & Summaries

If a xenolith included within an igneous pluton has a numerical age of 55 million years (Ma) old, what can you infer about the age of the pluton? - Answer-the pluton formed after 55 Ma ago Radiocarbon is first produced in the ______ when neutrons strike ______ atoms. - Answer-atmosphere; nitrogen-14 A minimum of ______ seismic stations is necessary to determine the focus of an earthquake. - Answer-3 Which seismic wave will be the last to reach a seismic station following an earthquake? - An...

___________ is comparatively soluble in soil solution and therefore easily weathered. a. Hematite b. Apatite c. Feldspar d. Mica e. Gypsum correct answer: E. Gymsum Quartz _____. a. weathers to form clay minerals b. is resistant to weathering c. is soluble in soil solution d. is a phosphorus bearing mineral e. is a major component of the clay fraction correct answer: B. is resistant to weathering A pot of soil that is 30 cm tall and which has been wetted until excess water ...

Lead Inspector/Risk Assessor | ALL QUESTIONS AND ANSWERS 2023 GRADED A+!! Permanent abatement options include... - Paint removal, component removal, enclosure, encapsulation Lead Inspector - A certified individual who conducts a surface-by-surface investigation to determine the presence of lead-based paint. Lead-based paint - 1 mg/cm2 5000micrograms/g = 5000ppm .5% by weight What is lead based paint? - any surface coating containing at least 1 miligram per square centimeter of lead...

physical weathering - correct answerdisintegration to smaller pieces no chemical transformation increase in surface area ex. hammer rock wedging!!! water seeps through snd expands when frozen chemical weathering - correct answerchemical transformation of minerals to secondary minerals that are weaker in structure ex. rust (oxidation) biological weathering - correct answerplants and animals, microbes to transform rocks -breakdown into dirt and usable materials basaltic magma - corre...

EAS Hard Exam Questions with Correct Answers Which of the following minerals is most likely to form a clay mineral during weathering? A) iron pyroxene (Fe2Si2O6) B) calcite (CaCO3) C) quartz (SiO2) D) feldspar (KAlSi3O8) - Answer-D 5. One of the most effective mechanisms for physical weathering is __________. A) oxidation B) hydration C) frost wedging D) hydrolysis - Answer-C 7. In what type of rock do most caves form? A) granite B) sandstone C) limestone D) shale - Answer-C ...

mineral - correct answer 1. naturally occurring 2. inorganic 3. solid at room temp 4. regular crystal structure 5. defined chemical composition - there are exceptions - different in geology vs. nutrition label/pharmaceutical products rock - correct answer substance that contains one or more minerals or mineraloids Three types of rocks composed of minerals: - igneous (rock crystallizing from molten material) - sedimentary (rocks composed of products of mechanical weathering and chem...

abiotic - Pertaining to factors or things that are nonliving. acid - Any compound that releases hydrogen ions when dissolved in water. Also, a water solution that contains a surplus of hydrogen ions. A horizon - a soil horizon; the layer below the O layer is called the A layer. The A layer is formed of weathered rock, with some organic material; often referred to as topsoil. alkaline - a basic substance; chemically, a substance that absorbs hydrogen ions or releases hydroxyl ions; in refer...

Hopkins GEOG 1111 Final (Unit 5) EXAM Questions With 100% Correct Answers soil - answerthe fine material covering the Earth's surface composed of both mineral & organic material; dirt vs. soil - answerdirt is soil without the organic material weathering - answerprovides the raw (parent) materials for soil formation and development The processes by which rocks are chemically altered or physically broken into fragments as a result of exposure to atmospheric agents and the pressures & tempe...

Which is not a requirement for a mineral? A) naturally occurring B) consistent isotopic composition C) well-formed external crystal shapes D) orderly regular atomic or ionic structure E) definite chemical composition - B Which of the following best describes the fundamental concept of superposition? A) Strata with fossils are generally deposited on strata with no fossils. B) Older strata are deposited on younger strata without intervening, intermediate age strata. C) An igneous dyke cut...

Earth Science Final Exam Questions and Answers Latest 2024/2025 | Graded. The same objects have the - ANSWER same density (NO MATTER WHAT SIZE) 2. The closer isolines are... - ANSWER the steeper the gradient (diagram: North side is steepest) 3. The altitude of Polaris equals... - ANSWER the latitude of the observer Diagram: Observer's altitude = 66.5 degrees North 4. The Earth rotates - ANSWER West to east 15 degrees per hour in 24 hours or one day 5. Latitude lines run Longitude lines...