5Foliated or nonfoliated ClassifyingFoliated or nonfoliated(VOCAB WORDS)
6Foliated?When mineral grains line up in parallel layers
7Nonfoliated?The mineral grains grow and rearrange, but they don’t form layers.
8A. igneous B. intrusive C. metamorphic D. sedimentary 3Question 1What type of rocks can form from any type of rock?A. igneousB. intrusiveC. metamorphicD. sedimentary
93AnswerThe answer is C. Heat, pressure and hot fluids trigger changes in various rock types forming metamorphic rocks.
103Question 2Name the metamorphic rock texture in which mineral grains line up in parallel layers.A. foliatedB. nonfoliatedC. sedimentaryD. volcanic
113AnswerThe answer is A. Slate is a foliated metamorphic rock formed from shale.
12A. basalt B. marble C. shale D. slate 3Question 3Which of these is a nonfoliated metamorphic rock?A. basaltB. marbleC. shaleD. slate
133AnswerThe answer is B. Marble forms from limestone. Basalt is an igneous rock. Slate is a foliated metamorphic rock that forms from the sedimentary rock, shale.
14Sedimentary Rocks Igneous rock is the most common on Earth. Most of igneous is under ground.About 75% of the rocks exposed on Earth’s surface is sedimentary.
15What is it?Vocab Review: Sediments are loose materials such as rock fragments, mineral grains, and bits of shell that have been moved by wind, water, ice, or gravity.Sedimentary rock forms when sediments are pressed and cemented together, or when minerals form from solutions.
17What do you think? What materials can sedimentary rocks be made from? Can remains from other plants and animals be turned into sedimentary rock?
18Classifying Detritol – “detritus” means to tear away. What do you think will cause these kind?Chemical-form when dissolved minerals come out of solution.Organic-Rocks made of the remains of once-living things.