Test Answers on Geology Flashcards

Geological Time Scale and Fossils

Precambrian Name for the time in earths early history that accounts for ninety percent of earth’s time, but only cellular organisms lived. Paleozoic Era the part of geologic time 570-245 million years ago ; invertebrates, fishes, amphibians, reptiles, ferns, and cone-bearing trees were dominant Mesozoic Era middle life (245-144 million years ago); rise of mammals […]

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Geologic Time Scale

Cyanobacteria, forming atmosphere Earliest life forms (such as ___) were influenced by the climates produced by the ______ ______ and oceans of Earth Volcanic Activity, extremely difficult, did not During the Precambrian time ____ ____ was one of the most natural events but lava flows, ash clouds in the atmosphere, and heat made conditions for […]

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Earth Science Ch.12 Earth’s Evolution Through Geologic Time

The ________ period was a time of major extinctions, including 75 percent of amphibian families. Permian During the early Paleozoic era, South America, Africa, Australia, Antarctica, India, and perhaps China comprised the vast southern continent of ________. Gondwanaland The most common Precambrian fossils are ________, layered mounds of calcium carbonate. Stromatolites During the ________ era, […]

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Geology Test 2 Mastering Geology

Compaction will be the most significant lithification process for which of the following rocks? Shale T/F: Folding and deformation will produce bituminous coal. False T/F: The raw material for coal is dead marine organisms. False Which rock is the most abundant chemical sedimentary rock? Limestone ________ processes such as evaporation and chemical activity can precipitate […]

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The Geologic Time Scale

1) Mesozoic Era 2) Precambrian Time 3) Cenozoic Era 4) Paleozoic Era 1) b 2) d 3) a 4) c What is a Period A unit of geologic time that subdivides eras. What is Geologic Time Scale A record of the geologic events and the evolution of life forms as shown in the fossil records. […]

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Geology ch4-8

The original volcano Mount Mazama erupted to form Crater Lake, Oregon True A___is a volcanic depression much larger than the original crater, formed when the volcano collapses into a vacated magma chamber. Caldera __describes the surface of a basalt flow with a smooth ropy surface. Pahoehoe Major volcanic peaks of the Cascade Mountains, like Mt. […]

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Earth Science 8.5 The Geologic Time Scale

Geologic Time Scale A record of the life forms and geologic events in Earth’s history. Era The three long units between Precambrian Time and the present Period Subdivisions of eras Invertibrate Animals without backbones Vertibrate Animals with backbones Amphibian Animal that lives part of it’s life in water and parts of it’s life on land. […]

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Geology Quiz 3

How does a catastrophe differ from a disaster damages from a catastrophe are of such a magnitude to require a long recovery period. how are the magnitude and frequency of natural hazard events typically related inversely related why is history important in understanding natural hazards most natural hazards are repetitive events why are precursor events […]

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Geology 1113 Unit 2 HW Questions

Compaction will be the most significant lithification process for which of the following rocks? shale Which rock is the most abundant chemical sedimentary rock? Limestone ________ processes such as evaporation and chemical activity can precipitate chemical sediments. Inorganic ________ is a biochemical sedimentary rock that often forms in carbonate reefs. Limestone ________ is the process […]

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Chapter 13 Geologic Time

Geologic time scale The division of Earth’s history into smaller units makes up the _______ _____ _______. eras, periods, and epoch. Geologic time is divided into subdivision: Eras major subdivisions of the geologic time scale based on differences in life-forms. 3 Major Eras: 1- Paleozoic = ancient life 2- Cenozoic = recent life 3- Mesozoic […]

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Lesson 4: The Geologic Time Scale.

Why do geologists use the geologic time scale? Because of the time span of Earth’s past is so great, geologist use geologic time scale to show Earth’s history. What is the geologic time scale? The geologic time scale is a record of the geologic events and the evolution of life forms as shown in the […]

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geology review 1c

the number of fatalities from the Mr. Pinatubo eruption was realtively low because the eruption was predicted successfully and the area was evacuated seismic activity serves as a tool of volcanic forecasting because moving magma in the sub-surface causes small earthquakes why is the geologic history of a volcano important in hazard prediction the geologic […]

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Geology 101 Finals Study

The Principle of _ state 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 covered by oceans? 71% What is though to be the date of […]

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LSU Geology 1001

Which of the following cannot be caused by overpumping of ground water? all of these are possible consequences of overpumping What ideas brought a renewed interest to the idea of continental drift? data that a submarine mountain occurred beneath the middle of the Atlantic Ocean As two oceanic plates diverge at mid-ocean ridges, melting of […]

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Geology 101 Finals Study Critical Essay

The Principle of _ state 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 covered by oceans? 71% What is though to be the date of […]

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Geology 1302 Exam #1

Alfred Wegener inferred the existence of a supercontinent at an earlier time, which he named A. Pandora B. Pangaea C. Panama D. Panthalassa Pangaea Which of the following was not evidence for the hypothesis of continental drift? A. Glacial Deposits of Gondwana continents B. Fit of African and South American shorelines C. Paleomagnetic striping of […]

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Geology Study Guide

What are the 2 types of IGNEOUS rocks? Intrusive & Extrusive What forces form METAMORPHIC rocks? Heat & Pressure What are the 2 types of Metamorphic rocks? Foliated & Non-Foliated What type of metamorphism forms \”FOLIATED\” rocks? Regional Metamorphism What type of metamorphism forms \”NON-FOLIATED\” rocks? Contact Metamorphism Are the crystals in an INTRUSIVE igneous […]

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Geology 105 Test 3 Ole Miss

What is the trend in the U.S. of energy consumption between the mid-70s and the mid-90s? We kept using more and more, even after the peak of the discovery What is the ultimate source of energy in fossil fuel? Oil How do we classify coal types? Based on carbon content and caloric value Why is […]

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Chapter 1 – Geology (completed)

Abyssal Plain Very level area of the deep-ocean foor, usually lying at the foot of the continental rise. Asthenosphere a subdivision of the mantle situated below the lithosphere. this zone of weak material exists below a depth of about 100 kilometers and in some regions extends as deep as 700 kilometers. the rock within this […]

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GLY Topic 21

Data transmitted from tsunami detection buoys are used to Modify tsunami propagation models In which ocean basin is tsunami monitoring less important than the others? Atlantic Ocean Tsunami detection buoys are connected to a seafloor device that measures Pressure fluctuations on the sea bottom The shoreline always drops below low tide level before a tsunami […]

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GLY Topic 22

North of 40 degrees latitude and south of 35 degrees latitude there is a deficit of incoming short wave radiation relative to outgoing infrared radiation true the strongest winds of a hurricane occur in the eye wall The Atlantic hurricane season is from May 15 – November 30 Which of the following determines the height […]

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