Geology Flashcards

Geology Ch. 5- Minerals

ionic bond oppositely charged ions attract to produce a neutral chemical compound- weak (velcro) covalent bond sharing of electrons to achieve a stable atomic structure- strong (rope) metallic bond electrons are shared between all atoms van der waals bond opposite charges occuring on opposite sides of a sheet- weak (usually found in weak areas- graphite) […]

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Ch 3: Introduction to Environmental Geology (Minerals and Rocks) Keller

mineral naturally occuring, solid Earth matieral that has formed by geologic processes; building blocks of the rocks that form the solid framework of Earth’s crust geochemistry the study of the chemistry of the earth, of atoms and elements of importance to geologic processes; isotope two atoms of the same element with a different number of […]

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Geology Test #2 Study Guide

True or False: We are living during the third largest extinction event in geologic history? True A pair of metamorphic rocks with biochemical origins are: Marble and Anthracite Detrital sedimentary rocks are classified (named) based on the: Grain sizes of the detrial particles. The appearance and rapid proliferation of hard boiled macro fossils in the […]

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Geology Chapter 2: Minerals

Mineral A *naturally occurring*, *inorganic*, *crystalline solid* that has a *specific* chemical composition Mineralogy The *study* of minerals All minerals have a ________ _________? Crystalline structure Rocks Naturally formed aggregates of minerals or mineral-like substances Atoms Smallest, electrically neutral assemblies of energy and matter than we know exist in the universe Nucleus Contains: 1. *Protons*- […]

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Geology/Minerals test=Menc

Deposition when rock pieces settle out of wind and water Streak the color of mineral’s powder lithosphere upper most part of the earth magma melted, molten rock lava liquid rock that reaches the Earth’s surface Inner core solid center of the earth, contains iron and nickel’ Fe, Ni outer core softer part of the core […]

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APES Geology Test Questions/Answers

An advantage of recycling aluminum rather than disposing of it in landfills is that aluminum can be Produced from recycled metal using much less energy than is required for its production from aluminum ore Which of the following natural events would be most likely to contribute to the cooling of Earth’s atmosphere? Volcanism Elements that […]

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Earth Science Chapter 9

Precambrian Time the interval of time in the geologic time scale from Earth’s formation to the beginning of the Paleozoic era, from 4.6 billion to 542 million years ago. It contains the first three eons of Earth’s history. Mass Extinction an episode during which large numbers of species become extinct. Geologic Time Scale outlines the […]

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Fossils – Geology

petrified fossil fossils in which minerals replace all or part of an organism mold a hollow area in sediment in the shape of an organism cast a solid copy of the shape of the organism carbon film an extremely thin coating of carbon on rock trace fossils evidence of the activities of ancient organisms preserved […]

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ch 4 – Geology

fossil preserved remains or traces of organisms sedimentary rock made of hardened sediment mold hollow area in sediment shaped like an organism cast solid copy of the organism petrified fossils are fossils in which minerals replace all or an organism carbon film an extremely thin coating of carbon on rock trace fossils evidence of activities […]

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Geology Minerals Test/Chapter Four

which statement is correct all rocks are composed of minerals which of the following is not a characteristic of a mineral organic A crystalline rock is NOT likely to be formed from weathered fragments Which of the following would be true of most clastic rocks? contains different sized clasts The way in which a mineral […]

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Science Chapter 9 Answers

Precambrian time the interval of time in the geologic time scale from Earth’s formation to the beginning of the Paleozoic era, from 4.6 billion to 542 million years ago. It contains the first three eons of Earth’s history. Mass extinction an episode during which large numbers of species become extinct. Geologic time scale outlines the […]

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Geology Test 1: UARK

Which of the four spheres of Earth is the most extensive? Geosphere The Principle of ______ states that the physical, chemical, and biological processes at work shaping the Earth today have also operated in the geologic past. Uniformitarianism What is the accepted age of the Earth? 4.6 billion years What percentage of the Earth is […]

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Geology Test Review

Pangea broke up at the end of which era? the mesozoic era Marble and quartzite are in which rock category? Metamorphic Which rocks indicate high grade(temp) or low grade (temp) metamorphism? index minerals. Slate to Schist to Gneiss Jovian planets are mostly made of what? Hydrogen and helium and ammonia Which is a ferromagnesian(dark) mineral […]

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Science absolute dating,mass extinction,geologic time periods

Paleozoic period spanning from roughly 541 to 252.17 million years ago. Pangea A supercontinent containing all of Earth’s land that existed about 225 million years ago. Triassic period Part of the Mesozoic Era, the period when dinosaurs first appeared. (248-213 million years ago) Jurassic period Occurred between 206-144 million years ago. The dinosaurs dominated. The […]

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ISP 203A Geological Times and Evolution Feb 28th

The geologic time scale chart Cambrian “explosion of life” First conclusive and successful (ie with modern living descendants today) form of complex life appear in the oceans at 540 Ma (millions of years) ago, and shortly thereafter The Cambrian oceanic life Common point between all groups described so far: they are invertebrates Many other complex […]

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Geology 100 Chapter 10 Study Guide

A radioactive isotope of the element potassium decays to produce argon. If the ratio of argon to potassium is found to be 7:1, how many half-lives have occurred? 3 half-lives An area of slightly dipping sedimentary rock layers has large inclusions and is intruded by an igneous dike. Apply the basic principles for determining relative […]

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Geology 103 Review Questions

Describe the general steps used by geologists and other scientists in their attempt to solve particular problems or explain natural phenomena. Scientists follow a procedure called the scientific method, which has four steps: 1. develop a question about an observation in nature; 2. formulate a hypothesis or plausible explanation to answer the question; 3. test […]

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Age of DInosaurs test 3

Cladogram Diagram that shows the evolutionary relationships among a group of organisms Apomorphy Derived character Synapomorphy shared derived characteristics Plesiomorphy An evolutionary trait that is homologous within a particular group of organisms but is not unique to members of that group (compare apomorphy) and therefore cannot be used as a diagnostic or defining character for […]

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Age of Dinosaurs Exam 2 Study Guide

What are the two great clades of the Dinosauria? Ornithischia; Saurischia List the five major clades of Dinosauria that define the two great clades. Ornithopoda; Sauropodomorpha; Marginocephalia; Thyreophora; Theropoda What dinosaur skeletal part has given us the most information about the diversity, behavior, life styles, and evolution of the group? The skull Sauropodomorpha consists of […]

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Chapter 8 Study Guide

What is a fossil? The preserves, remains, or traces of an organism. How do most fossils form? When living things die and are buried by sediments. The fossil record shows that life on Earth has changed of time.____ have found that older rocks contain____of organisms that are_____ than those alive today. Palenotologists, remains, simpler The […]

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GEO Ch 10 – Geology

A disconformity is a type of unconformity in which sedimentary rocks overlie either igneous or metamorphic rocks False – This is the definition of a nonconformity. A disconformity is a surface between parallel sedimentary beds of significantly different ages. Evidence of stream erosion or existence of a paleosol (ancient soil horizon) may help in recognizing […]

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