2. depth of emplacement is used to divide rocks in which major group? nese 3 a reck with angular clasts and a matrix of finer sand or silt is a 4 what sedimentary rock is a precursor to an argillite? 5. fractional crystallization implies a magma does what during cooling? 6. a gneiss often forms by metamorphism of which igneous rock? 7. a limestone with > 10% grains and mud-supported is a s. a limest 9. is sediment that is not lithified considered a sedimentary rock? tone that is grain-supported and does not have a mud matrix is a

What is the reason for the “scramble for africa”?

Name one type of data that h-r diagrams do not show.

If you could drill a hole straight to the center of the earth, and keep track of what the hole is going through, youwould find: a) you would go through one sort of material, and then a different, denser material, and then a still-different, still-denser material, because the planet is made of concentric layers, sort of like an onion. b) you would go through one sort of material all the way to the center, because the planet is all mixed up. c) if your hole started at the north pole, you would go through different layers of different materials, but ifyour hole started at the equator, you would go through one sort of material all the way to the center. d) if your hole started at the equator, you would go through different layers of different materials, but if yourhole started at the north pole, you would go through one sort of material all the way to the center. e) you would strike diet pepsi when you got to the center.