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GLGY 305 > TopHat Questions > Flashcards

TopHat Questions Flashcards

1
Q

Name the layers of the Earth from centre to surface

A
  • inner core, outer core, mantle, lithosphere
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2
Q

What is the best definition of a tectonic plate?

A
  • the solid, brittle rocks that make up the continents and the seafloor
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3
Q

What type of plate boundary exists between the Arabian and the Eurasian plate?

A
  • convergent
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4
Q

What type of plate boundary exists in the middle of the Pacific Ocean (between the Nazca and the Pacific plates)?

A
  • divergent
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5
Q

What is causing lithospheric plates to move over time?

A
  • convection in the mantle
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6
Q

When oceanic crust and continental crust collide, ___ tends to be subducted under ____.

A
  • higher density oceanic crust

- less dense continental crust

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7
Q

What types of rocks are dinosaurs generally preserved in?

A
  • classic sedimentary
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8
Q

During which eon did dinosaurs live?

A
  • phanerozoic
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9
Q

During which era did dinosaurs live?

A
  • mesozoic
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10
Q

During which periods did the dinosaurs live?

A
  • triassic
  • cretaceous
  • jurassic
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11
Q

Which region of Canada preserves the richest deposits of dinosaur fossils?

A
  • The Western Interior Canadian Basin
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12
Q

Why don’t the rocks along the east coast of Canada contain dinosaurs?

A
  • they are too old
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13
Q

What can paleontologists infer when they see mutually aligned bones?

A
  • the flowing water likely reorientated the bones into the path of least resistance
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14
Q

If you discover a bonebed where the bones occur in multiple sedimentary layers and are stacked vertically, what does this imply?

A
  • that the bonebed does not represent a single event, but accumulation over a long period of time.
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15
Q

If all of the dinosaurs in a bonebed were particularly articulated or associated, what could you infer?

A
  • that the bones were transported short distances and were buried shortly after death
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16
Q

In a bonebed, you discover 17 toe bones, 29 ribs, 5 nasal horns, and 51 vertebrae. What is the minimum number of dinosaurs present in the bonebed?

A
  • 5
17
Q

Which dinosaur made the trackway in class?

A
  • Ornithopod
18
Q

What is stride length

A
  • the distance between two consecutive left footprints

- the distance between two consecutive right footprints

19
Q

Of the dinosaurs we estimated speeds for in class, which one moved the fastest?

A
  • Ornithomimid
20
Q

Which layers move during plate tectonics?

A
  • continental and oceanic crust + rigid upper mantle
21
Q

What type of plate boundary exists between Indian-Australian plate and the Eurasian plate?

A
  • convergent
22
Q

What type of plate boundary exists between the Antartic plate and the Indian-Australian plate?

A
  • divergent
23
Q

Why were sea levels high during the cretaceous?

A
  • it was very warm so no water was stored in ice sheets

- it was very warm so sea water took up more space

24
Q

How many years ago did dinosaurs roam the Earth?

A
  • 163 million years ago
25
Q

When did dinosaurs go extinct?

A
  • 65 million years ago
26
Q

How is an igenous rock created?

A
  • solidified lava or magma
27
Q

How is metamorphic rock created?

A
  • heated and squeezed rocks
28
Q

How is chemical sedimentary rock created?

A
  • pieces of other rocks glued together
29
Q

If you have a rock that contains both reptiles and flowering plants, how old is that rock?

A
  • <140 million years
30
Q

What does the principle of inclusions state?

A
  • that inclusions are always older than the surrounding rock
31
Q

What does the principle of superposition state?

A
  • in a succession of rocks, the oldest rocks are always at the bottom
32
Q

What is paleontology?

A
  • the study of all ancient life except humans
33
Q

Which preservational style has the most bones in life position?

A
  • articulated skeleton
34
Q

What is carbonization?

A
  • the mode of preservation where the fossil consists of a thin carbon film on a rock
35
Q

What is taphonmy?

A
  • everything that happens to a fossil from death to discovery
36
Q

This person hosted a dinner party inside the unfinished sculpture of iguanadon

A
  • Sir Richard Owen
37
Q

The word dinosaur means

A
  • terrible lizard
38
Q

Dinosaur paleontology is said to have begun in 1882 when this person discovered teeth on the side of a country lane.

A
  • Mary Ann Mantel
39
Q

As a non-paleontologist, you are legally allowed to

A
  • surface collect on crown land

GLGY 305 (15 decks)

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