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Ulises A

Page history last edited by PBworks 15 years, 7 months ago

Rockhound - What I Learned in this Unit

 

1. I learned that sedimentary rock is made from seabeds. Sedimentary rocks chalk, limestone, sandstone, and shale.

 

2. I learned that many gemstones are minerals crystals that have formed deep within the earth's crust under tremendous pressure. A gemstone is a mineral or rock that when cut and polished is collectible or can be used in jewellery.

 

3. I learned that Fossils are the mineralized or otherwise preserved remains or traces (such as footprints) of animals, plants, and other organisms.

 

4.I learned that Igneous is made from cooling Magma

 

5.I learned that metamorphic is formed by heat and presser. Metamorphic rock is t process called metamorphism,

 

hi I am Ulises am in Mr .Evans since class and I go to

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