Geo Lab Test 1 Lab 1-6
This covers Physical Geo. 2 Lab test #1
Terms
undefined, object
copy deck
- pyroclastic
- fire, glassy that cooled in air, violent eruption
- divergent boundaries
- produced when the crust is pulled apart, and produced shallow focus earthquakes
- sand
- 0.05mm to 0.002mm
- rocks
- an agglomeration of minerals
- glassy
- cools instantly no crystals
- minerals
- an inorganic solid substance with a definite chemical composition and an ordered crystalline structure
- continental to continental convergence
- be able to draw p41
- What component causes violent eruptions
- pyroclastic rocks
- study exercise 6
- study exercise 6
- chemical sedimentary rock
- formed by the precipitation of dissolved ions out of solution
- know the chart on p 13
- know the chart on p 13
- p 59 #6
- p 59 # 6
- texture
- size of crystals in the rock
- gravel
- greater than 2mm in size
- igneous rocks
- are formed by the cooling and solidfication of magma
- identify 3 minerals that are stable end products of weathering
- quartz, clay, iron oxide
- clastic sedimentary rock
- formed from fragments of other rocks
- meridians
- longitude
- mechanical weathering
- breaking of big rocks into little rocks
- transform boundaries
- be able to draw
- What is a vessicle? How do they form
- a hole in the rock, formed by the bubbling of the lava
- transportation
- smaller the fragment the further the sediment goes
- mafic magma
- dark in color, little quartz
- What are the two classifications for Metamorphic rocks
- foliated and non foliated
- parallels
- latitude
- What is the process of crystalization
- high temp forms first low temp forms last
- chemical weathering
- destroys old minerals and creates new
- aphanitic
- small crystals cools slowly on surface can usually feel the crystals
- silt
- 0.05mm to 0.002mm
- felsic magma
- light in color, lots of quartz
- Discuss the three major components of magma
- molten rock, dissolved gasses, and solid crystals
- Describe how cooling magma can have two different sizes of crystals
- slower the bigger, faster the smaller
- intrusive
- rocks form on the inside of the earth, and have large crystals
- sedimentary rock
- created by weathering, transportation, deposition, lithification
- What effect does pressure have on rocks
- does not change the mineral composition
- extrusive
- magma that cools on the earths surface smaller crystals
- map
- graphic representation of geographic space
- longitude
- describes the point east or west of the prime meridian
- convergent zones
- the opposite ends of plates are forced into adjacent plates be able to draw p39
- latitude
- describes how for north and south the points are from the equators
- intermediate magma
- grey in color
- phaneritic
- can see the crystals
- What is the difference between magma and lava
- magma is under the earth and it becomes lava when it becomes above the earth
- clay
- 0.002mm and less
- What effect does temperature have on rocks
- alters the mineral compostition on rocks