Intrusive Volcanic Feature: 40 Square miles or more
Intrusive Volcanic Feature: Less than 40 square miles
Intrusive Volcanic Feature: Like a stock but doesn't melt the top layers
Intrusive Volcanic Feature: Wall of magma solidified (Devil's Slide)
Intrusive Volcanic Feature: Magma displaced laterally
Evidence of Continental Drift
1. Puzzle-like fit
2. Similar fossils in areas
3. Similarities in rock and mountain formations
Evidence of Seafloor Spreading
2. Relative dating of rocks show same as symmetrically
Juan de Fuca Plate
E, subducting under N. American plate
Subduction zone islands
Water enter, salt expands, cracks are made (Similar to Frost Wedging)
Oxygen and Silicon
Oxygen and any element but Silicon
Sulfur w/ another element
Native elements - noncompounding
Gold - Silver
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