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Flashcards in geology 2 Deck (11):
1

what are the colors and what do they represent used on maps

brown-topography
red-highways
blue-water
black-man made objects
green-vegetation>3 feet
white-no vegetation or vegetation<3 feet

2

what are the different types of maps

highway maps-show roads & political boundaries
topographic maps-shows elevation
geologic maps-shows rocks exposed at surface of earth
specialized maps

3

what are the types of projection

globe
mercator-polar regions extremely distorted
polyconic-useful for topo maps

4

characteristics of latitude lines

parallel to the equator
1 degree is 70 miles

5

characteristics of longitude lines

connect pole to pole
meridian
lines converge at poles

6

small scale maps vs large scale maps

small-shows lots of are at low detail
large- show a small area in lots of detail

7

3 of some of the early attempts at finding out how old the earth is

bishop ussher-based on biblical research
lord kelvin-data considered very accurate, thought it was about 100million years old
william “strata” smith-used rick layers

8

what is the pre-cambrien age

4.6 billion years to 600 million years
single cell organisms
first continents

9

what is the paleozoic

600 million to 250 million
age of invertebrates
life becomes more complex and evolves on land

10

mesozoic period

250 million to65 million years
age of reptiles
mammals evolve
mass extinction of dinosaurs

11

cenozoic period

what period were in
age of mammals
hominids evolve