lithosphere Flashcards
1
Q
what’s the lithosphere
A
the hard shell of the earth consisting of the crust and the uppermost part of the mantle
2
Q
what are the 4 layers that the earth is made up of
A
- crust
- mantle (upper and lower)
- outer core
- inner core
3
Q
how can minerals be described (5)
A
- inorganic substances
- made up of the same elements in an orderly crystalline structure
- defined composition and properties
- single elements: copper (Cu), Iron (Fe)
- compounds: quartz or halite
4
Q
what are the 2 colour names for minerals
A
- idiochromatic (one colour)
- allochromatic (many colours due to impurities)
5
Q
what are the 3 types of transparency
A
- transparent (can see through)
- translucent (can see light through)
- opaque (cannot see through, cloudy)
6
Q
what is the name of that scale that hardness if calculated on
A
mohs scale
7
Q
what’s the range of mohs scale
A
1-10
8
Q
how is the streak of a rock found
A
the colour of the trace left by the rock when rubbed on porcelain
