GEO Lecture Exam 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| show | Composite cone Volcano
🗑
|
||||
| What are the six major igneous rock textures? | show 🗑
|
||||
| show | 13 km
🗑
|
||||
| show | the color of the mineral in powdered form
🗑
|
||||
| Which of the following would decrease the viscosity of magma? | show 🗑
|
||||
| Which of the following is not part of the definition of a mineral? | show 🗑
|
||||
| What three factors do volcanologists monitor in order to determine whether magma is migrating toward the Earth’s surface? | show 🗑
|
||||
| show | divergent
🗑
|
||||
| What is a volatile? | show 🗑
|
||||
| show | foliated and nonfoliated
🗑
|
||||
| Can parent rock features such as sedimentary structures and fossils survive low-grade metamorphism? | show 🗑
|
||||
| show | Aphanitic
🗑
|
||||
| show | false
🗑
|
||||
| What role does water play in generating magma? | show 🗑
|
||||
| show | Kyanite
🗑
|
||||
| show | basaltic
🗑
|
||||
| What is meant by the statement “Every metamorphic rock has a parent rock”? | show 🗑
|
||||
| Which of the following igneous compositions make up 90 percent of the total volume of lava erupted on Earth? | show 🗑
|
||||
| At a subduction zone, melting is triggered by _____. | show 🗑
|
||||
| ________ is a widespread type of metamorphism typically associated with mountain building. | show 🗑
|
||||
| What role does water play in the formation of magma? | show 🗑
|
||||
| An isotope of oxygen has 8 protons, 10 neutrons, and 8 electrons. What is the atomic mass of this isotope? | show 🗑
|
||||
| What is the most important factor driving metamorphism? | show 🗑
|
||||
| Distinguish among a conduit, a vent, and a crater | show 🗑
|
||||
| show | Slate, phyllite, schist, gneiss
🗑
|
||||
| Which of the following is the hardest known natural substance? | show 🗑
|
||||
| ________ is a felsic igneous rock with a meringue-like vesicular texture, consisting of very small holes, created by small shards of volcanic glass | show 🗑
|
||||
| show | intrusive
🗑
|
||||
| Which of the following choices best explains the difference between a crater and a caldera? | show 🗑
|
||||
| When Eyjafjallajokull erupted in March 2010, ash plumes drifted southeast over Europe. Why would flying a commercial jet through a cloud of volcanic ash be dangerous? | show 🗑
|
||||
| The ring of fire is a narrow zone of composite cone volcanoes rimming the ________ Ocean. | show 🗑
|
||||
| Part complete What creates the small holes found in a vesicular texture? | show 🗑
|
||||
| show | Marble and quartzite are alike in that they are both nonfoliated, but they differ in that marble is composed of calcite whereas quartzite is composed of quartz
🗑
|
||||
| show | false
🗑
|
||||
| The most abundant minerals found in granitic (felsic) igneous rocks include ______. CHOOSE ALL THAT APPLY | show 🗑
|
||||
| Most cinder cones have eruptive phases that last for centuries | show 🗑
|
||||
| What is the term used to describe increasing temperature with increasing depth in the Earth? | show 🗑
|
||||
| What does a porphyritic texture indicate about the cooling history of an igneous rock? | show 🗑
|
||||
| show | An atom becomes a positive ion by losing an electron; it becomes a negative ion by gaining an electron
🗑
|
||||
| How does magmatic differentiation occur? | show 🗑
|
||||
| show | number of protons
🗑
|
||||
| show | Confining pressure decreases on a rising magma, allowing gas bubbles to expand and fracture the magma. This process further decreases pressure on the magma and will result in an explosive event
🗑
|
||||
| show | Extrusive igneous rocks cool and solidify on the Earth’s surface, whereas intrusive igneous rocks cool and solidify beneath the Earth’s surface
🗑
|
||||
| Which agent of metamorphism is most important, and why? | show 🗑
|
||||
| show | Higher melting points are determined by higher pressures.
🗑
|
||||
| show | Large crystals that form in a fluid-rich environment late in crystallization
🗑
|
||||
| Lavas erupting from composite cones are generally ________-rich, making them very viscous | show 🗑
|
||||
| show | magma
🗑
|
||||
| show | contact
🗑
|
||||
| show | differential stress
🗑
|
||||
| show | A change in the composition of gasses being released
🗑
|
||||
| show | true
🗑
|
||||
| Which tectonic boundary is associated with regional metamorphism? | show 🗑
|
||||
| show | These textures differ in that rocks with slaty cleavage break across their layers; rocks with schistosity exhibit layered structures of thin, platy minerals; and rocks with gneissic texture have a solid, banded appearance
🗑
|
||||
| show | Roughly parallel layers of mineral crystals aligned perpendicular to the direction of pressure
🗑
|
||||
| show | a mudflow of volcanic debris saturated with water
🗑
|
||||
| show | basaltic
🗑
|
||||
| show | false
🗑
|
||||
| show | rock
🗑
|
||||
| A dike is mostly likely to be composed of which of the following igneous rocks? | show 🗑
|
||||
| show | Viscosity
🗑
|
||||
| show | 0-400
🗑
|
||||
| show | Sandstone
🗑
|
||||
| show | partial melting
🗑
|
||||
| Which statement accurately describes a pyroclastic flow? | show 🗑
|
||||
| Which style of metamorphism will be generated by a magma pluton? | show 🗑
|
||||
| What is the definition of a parent rock? | show 🗑
|
||||
| What factors influences the texture of an igneous rock? | show 🗑
|
||||
| A ________ is a cone-shaped structure created by successive eruptions of volcanic materials such as lava or pyroclastic materials | show 🗑
|
||||
| What is the average increase in temperature along the geothermal gradient in the upper crust? | show 🗑
|
||||
| What volcanic hazard does the warning system installed around Mount Rainier aim to identify? | show 🗑
|
||||
| Along which tectonic boundary will chains of composite cone volcanoes be located? | show 🗑
|
||||
| ________ is defined as a mineral's resistance to scratching | show 🗑
|
||||
| show | Rock fragments that erupted from the volcano
🗑
|
||||
| show | volcanic ash
🗑
|
||||
| When contrasting lava from composite volcanoes to lava from shield volcanoes, | show 🗑
|
||||
| Which mineral property is the least useful for identifying minerals, and why? | show 🗑
|
||||
| (image) What kind of volcano is this? | show 🗑
|
||||
| show | An atom that has more or fewer electrons than most other atoms of that same element.
🗑
|
||||
| Which two minerals define a felsic composition? | show 🗑
|
||||
| show | calcite (CaCO3)
🗑
|
||||
| show | 8
🗑
|
||||
| show | gold and ice
🗑
|
||||
| show | shield
🗑
|
||||
| show | Fluids are dehydrated out of the descending plate, which lowers the melting point of the surrounding mantle
🗑
|
||||
| show | igneous rocks
🗑
|
||||
| show | phaneritic
🗑
|
||||
| show | Phaneritic
🗑
|
||||
| Which of the following mineral identification techniques would most easily identify calcite? | show 🗑
|
||||
| show | metamorphism
🗑
|
||||
| Which of the following can be a product of a composite volcano eruption? CHOOSE ALL THAT APPLY. | show 🗑
|
||||
| What is the geologic definition of texture? | show 🗑
|
||||
| show | ice
🗑
|
||||
| show | Their chemical compositions are nearly the same.
🗑
|
||||
| show | true
🗑
|
||||
| Which statement describes the composition and viscosity of the lava associated with shield volcanoes? | show 🗑
|
||||
| What is the particular significance of valence electrons? | show 🗑
|
||||
| What was the rate of cooling for an extrusive igneous rock and why? | show 🗑
|
||||
| show | When hot, solid mantle rock ascends, it moves to areas of lower pressure. This reduction in pressure allows the hot material to melt into a less compressed liquid phase.
🗑
|
||||
| In order to cover such large expanses of seafloor, shield volcanoes erupt ________ lava | show 🗑
|
||||
| ________ is pulverized rock, lava fragments, and ash erupted from a volcano | show 🗑
|
||||
| show | luster
🗑
|
||||
| (image of volcano)Based on the volcanic type and construction of the flanks, what assumptions can you make about the viscosity of the lava? | show 🗑
|
||||
| Which igneous texture has visible crystals that are a few millimeters across? | show 🗑
|
||||
| How do rocks differ from minerals? | show 🗑
|
||||
| show | Metamorphism may change the mineralogy, texture, and/or chemical composition of a rock
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
Rylee11