Geology for Civil Engineers: Earth's Internal Heat and Magmatism
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Questions and Answers

Vertebrate paleontology is the study of the fossil record of animals with ______

backbones

Invertebrate paleontology focuses on animals that lack ______

backbones

Invertebrate animals include sponges, corals, bryozoans, brachiopods, molluscs, arthropods, echinoderms, and ______

graptolites

Paleobotany deals with the recovery and identification of plant remains from geological contexts to reconstruct past environments and the evolutionary history of ______

<p>plants</p> Signup and view all the answers

Palynology is the study of microscopic fragments of organisms composed of acid-resistant organic material found in sediments, sedimentary rocks, and metasedimentary rocks, including mega and ______

<p>microorganisms</p> Signup and view all the answers

Mining Geology involves the application of geology to mining engineering for selecting suitable sites for quarrying and mines, combining principles of economic geology and mining engineering to develop defined ______ resources

<p>mineral</p> Signup and view all the answers

The Transition zone is a region in the mantle where high-pressure conditions lead to changes in mineral ______

<p>structures</p> Signup and view all the answers

The Lower Mantle is composed of silicate minerals in a solid state due to high pressures, even though temperatures are ______

<p>elevated</p> Signup and view all the answers

At the planet’s center, a dense metallic ______ lies

<p>core</p> Signup and view all the answers

The Inner Core is solid and composed mainly of iron and ______

<p>nickel</p> Signup and view all the answers

The Outer Core is primarily composed of liquid iron and ______

<p>nickel</p> Signup and view all the answers

Continental drift describes one of the earliest ways geologists thought continents moved over ______

<p>time</p> Signup and view all the answers

The stress that separated all the continents in the world is called ________.

<p>shearing</p> Signup and view all the answers

Exogenic processes are influenced by gravity, water, wind, and ________.

<p>organisms</p> Signup and view all the answers

Erosion is a process where rock debris or soil are moved due to rainfall, surface runoff, flooding, freezing, hurricane, and ________.

<p>many others</p> Signup and view all the answers

Mass wasting is the movement of large masses of materials due to the pull of ________.

<p>gravity</p> Signup and view all the answers

Sedimentation is the buildup of materials such as soil, rock fragments, and soil particles settling on the ________.

<p>ground</p> Signup and view all the answers

Weathering is the disintegration of rocks, soil, and minerals through contact with the earth's ________.

<p>subsystems</p> Signup and view all the answers

Ocean engineering is instrumental in helping preserve coastal structures from ______

<p>erosion</p> Signup and view all the answers

Engineers design ships and offshore structures to withstand challenging sea environments, considering factors like waves, currents, and ______

<p>storm surges</p> Signup and view all the answers

Rivers erode, transport, and deposit sediments, influencing the formation of ______

<p>landscapes</p> Signup and view all the answers

Wind erosion shapes ______ and transports particles

<p>landforms</p> Signup and view all the answers

The shaking caused by movements in Earth’s outermost layer is known as an ______

<p>earthquake</p> Signup and view all the answers

Faults are fractures in rocks caused by ______ or the push-pull on the crust

<p>stress</p> Signup and view all the answers

The driving force behind Earth's internal heat is the mantle's 'THERMAL ______', which mostly originated from the decay of radioactive elements in the Earth's core.

<p>ENERGY</p> Signup and view all the answers

Magma is the original material that make up ______ rock.

<p>igneous</p> Signup and view all the answers

Volcanism occurs because of Earth's internal ______, and is associated with tectonic processes and a part of the rock cycle.

<p>heat</p> Signup and view all the answers

Volcanic eruptions occur when molten lava reaches the ______ of the Earth.

<p>surface</p> Signup and view all the answers

Due to endogenic processes igneous and ______ rocks are formed.

<p>metamorphic</p> Signup and view all the answers

Compressional stress is usually what take place in folding which result in ______ building.

<p>mountain</p> Signup and view all the answers

Study Notes

Vertebrate and Invertebrate Paleontology

  • Vertebrate paleontology studies the fossil record of animals with backbones.
  • Invertebrate paleontology focuses on animals that lack backbones.
  • Invertebrate animals include sponges, corals, bryozoans, brachiopods, molluscs, arthropods, echinoderms, and worms.

Paleobotany and Palynology

  • Paleobotany deals with the recovery and identification of plant remains from geological contexts to reconstruct past environments and the evolutionary history of plants.
  • Palynology is the study of microscopic fragments of organisms composed of acid-resistant organic material found in sediments, sedimentary rocks, and metasedimentary rocks, including mega and microfossils.

Mining Geology

  • Mining geology involves the application of geology to mining engineering for selecting suitable sites for quarrying and mines, combining principles of economic geology and mining engineering to develop defined mineral resources.

Earth's Structure

  • The Transition zone is a region in the mantle where high-pressure conditions lead to changes in mineral composition.
  • The Lower Mantle is composed of silicate minerals in a solid state due to high pressures, even though temperatures are high.
  • At the planet's center, a dense metallic iron-nickel alloy lies.
  • The Inner Core is solid and composed mainly of iron and nickel.
  • The Outer Core is primarily composed of liquid iron and nickel.

Plate Tectonics

  • Continental drift describes one of the earliest ways geologists thought continents moved over time.
  • The stress that separated all the continents in the world is called tectonic stress.

Geological Processes

  • Exogenic processes are influenced by gravity, water, wind, and ice.
  • Erosion is a process where rock debris or soil are moved due to rainfall, surface runoff, flooding, freezing, hurricane, and glaciers.
  • Mass wasting is the movement of large masses of materials due to the pull of gravity.
  • Sedimentation is the buildup of materials such as soil, rock fragments, and soil particles settling on the seafloor.
  • Weathering is the disintegration of rocks, soil, and minerals through contact with the earth's atmosphere.

Ocean Engineering

  • Ocean engineering is instrumental in helping preserve coastal structures from erosion and flooding.
  • Engineers design ships and offshore structures to withstand challenging sea environments, considering factors like waves, currents, and tides.

Rivers and Wind

  • Rivers erode, transport, and deposit sediments, influencing the formation of deltas.
  • Wind erosion shapes dunes and transports particles.

Earthquakes and Faults

  • The shaking caused by movements in Earth's outermost layer is known as an earthquake.
  • Faults are fractures in rocks caused by tectonic stress or the push-pull on the crust.

Magma and Volcanism

  • The driving force behind Earth's internal heat is the mantle's thermal energy, which mostly originated from the decay of radioactive elements in the Earth's core.
  • Magma is the original material that makes up igneous rock.
  • Volcanism occurs because of Earth's internal heat, and is associated with tectonic processes and a part of the rock cycle.
  • Volcanic eruptions occur when molten lava reaches the surface of the Earth.

Rock Formation

  • Due to endogenic processes, igneous and metamorphic rocks are formed.
  • Compressional stress is usually what takes place in folding, which results in mountain building.

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Description

Learn about Earth's internal heat and magmatism in the context of Geology for Civil Engineers course. Understand how the mantle's thermal energy drives endogenic processes like magmatism, which is responsible for the formation of magma and igneous rocks.

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