Quiz Two Flashcards [ PHSC 210 ] PDF

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Notes and flashcards for Physics Quiz Two....

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Quiz Two Flashcards PHSC 210

The continental drift hypothesis was rejected primarily because Alfred Wegener could not Identify a mechanism capable of moving continents.

Generally, ____ igneous rocks have small crystal grains, and ______ igneous rocks have large crystal grains. Aphanitic; phaneritic

Igneous rocks that contain crystals that are roughly equal in size (1-30 mm) and can be identified with the unaided eye are said to exhibit a ______ texture. phaneritic

Coal __________ is formed from tree bark and other organic material.

Mid-ocean ridges are sited where _______ All of the above

A transform plate boundary is characterized by A fault along which two plates slide past one another in opposite directions

Which of the following was NOT one of the evidences Alfred Wegener used to support his hypothesis of continental drift? Similar social customs in Europe and America

The igneous texture is characterized by two distinctly different crystal sizes. porphyritic

You are a field geologist, and you find clay-rich sedimentary bed where the top layer exhibits six-sided features and small pockmarks (like what you see on a golf ball). What have you found? Mud cracks and raindrop prints

Which of the following statements apply to the asthenosphere, but not the lithosphere? Zone in the upper mantle that deforms by plastic flowage

Cooler, older, oceanic lithosphere sinks into the mantle at Subduction zones along the convergent plate boundaries

You are a field geologist, and you discover a sedimentary rock that reacts vigorously with hydrochloric acid. What would you call this rock? limestone

_________ is composed of alternating bands of light and dark silicate minerals Gneiss

Volcanic island arcs are abundant around the rim of the ______ ocean basin Pacific

An igneous rock that contains vesicles _______. All of the above

Deep ocean trenches are in the surface manifestations of ________. sinking of oceanic lithosphere into the mantle at a subduction zone

More sediments are deposited near the oceanic ridge than away from it. false

During Noah's Flood, the Bible tells us that the water covered all of the continents. true

The first three days of creation week, Noah's Flood and early post-flood times are periods in earth history when the rock cycle was most active. true

Sand injectibles form when upper sedimentary layers push down into softer, lower sedimentary layers. false

According to old-earth geologists, the youngest ocean seafloor is found at the mid-ocean ridge, and the oldest is found far from the ridge. true...