Science Chapter 10 Test Flashcards
(35 cards)
What do you call geologists who specialize in rocks
Petrologist
Petrologists look at what three things of the individual grains to classify rocks
Size shape and pattern
What are rocks made of
One or more minerals
What type of rock appears to have been molten in the past
Igneous
When do young earth geologists believe the first igneous rocks were created
Day 3
What rock is the original basement rock
Granite
What type of coarse-grained igneous rock has very large interlocking crystals
Pegmatite
What Word describes a rock with crystals so small you can’t see them with your eyes or even with a microscope
Aphantic
Which rock floats
Pumice
Which rock is called volcanic glass
Obsidian
How do we use igneous rocks today
Statues, monuments, building materials
Which type of rock appears to be made of rocks bonded together
Sedimentary
What event do creation geologists believe laid down most of the sedimentary rock?
The flood
What are clasts
Pieces of rock
Sedimentary rocks are made of _______, ________, and _______ particles
Pebbles sand clay
Which type of rock often contains fossils?
Sedimentary
Which type of sedimentary rock is made by chemical precipitation
Nonclastic
Halite can exist in nature as vertical pipelike masses called what?
Salt domes
Compare the size of sandstone, siltstone, and shale
Sandstone-biggest particles
Siltstone-medium particles
Shale-small particles
Which type of rock has been changed over time
Metamorphic
Metamorphic rocks could have been _______, __________, and even other ________ rocks
Igneous, sedimentary, metamorphic
Which type of metamorphic rocks have their crystals arranged into parallel layers or bands
Foliated
Marble is metamorphic _____________
Limestone
How do we use metamorphic rocks today?
Used in buildings, decoration, floor coverings