Mish Mash
Rock Cycle
Minerals
Clues in rock layers
Calculations
100
Is Pudding a mineral? (Explain)
No, it is not natural. It is not a solid. It is organic.
100
process that must happen first to turn any rock into an igneous rock
What is melting (then cooling/ crystallization)?
100
If I have a new mineral to identify and need to use this chart, what is the first thing I should do?
What is try to scratch it with my fingernail?
100
Layers B and L are extrusive events what made these layers?
What is a Volcanic eruption? (lava)
100
If you start with 16000 atoms of C14, how much will remain after 4 half-lives? (show all half-lives)
What is 1st half-life 8,000
2nd half-life 4,000
3rd half-life 2,000
4th half-life 1,000 atoms
200
Anything NOT made up of a plant or animal
What is inorganic?
200
Sedimentary rocks made of various sizes of sediments are known as this
What are clastic (sedimentary rocks).
200
If I can scratch the mineral with my fingernail, what is its hardness?
2 or less
200
These fossils are probably best described as what?
What are index fossils?
200
How old is a fossils that has gone through 4 half-lives of C14 (5730 yrs = a half-life) Show each half-life.
What is 1st half-life 5730 yrs
2nd half-life 11,460
3rd half-life 17,190
4th half-life 22,920 yrs
300
Type of metamorphic rocks that appear to have bands (or layers)
What are foliated metamorphic rocks
300
Sally was on vacation in Hawaii and found a rock not too far from one of the volcanos, what type of rock is it (most probably)?
What is igneous?
300
If I have figured out that my mineral has a hardness of 2 or less, and know that the minerals listed on this table are the only mineral I can have, do I know what I have? Explain
Answers will vary!
I have either talc or gypsum, but need to know the other properties of these minerals.
300
Which site has the oldest fossils? How do you know?
What are sites 1 & 2, they have fossils that the other site does not have.
300
The parent element of Argon 40?
What is Potassium-40?
400
The type of sedimentary rock created from bits of once living organisms
What is biological sedimentary rock?
400
Daily Double! Write down how much you want to BET you can get this correct. processes that must happen for sedimentary rocks to form
What is weathering and sedimentation (lithification, cementation)
400
What properties can you tell me about this mineral?
It is silver-grey in color, it is metallic in luster, it has no cleavage or fracture
400
Which site has the youngest layer?
Site 3
400
The half-life of Rubidium?
What is 47 billion years?
500
The type of sedimentary rocks that form by precipitation.
What are chemical sedimentary rocks?
500
The shift in the layers was caused by this
What is a fault?
500
What can you tell me about this mineral?
It is white in color, it is vitreous in luster (or non-metallic), it has several good cleavages
500
What are the 4 youngest fossils from youngest to oldest? (feather, bathyorus, crinoid, corrugata, dinosaur, bathyorus, sabertooth, trinoodea, trophite)
sabertooth, feather, dinosaur, crinoid
500
You have found a sample with only 30 atoms left. You have determined that it has gone through 3 half-lives. How many atoms did it have to START with? (show your work!)
What is 1st half-life 120 atoms
2nd half-life 60 atoms
3rd half-life 30 atoms
(STARTED with 240 atoms)