Examlex
Which of the following is NOT a major class of rock-forming minerals?
Lava Tubes
Natural conduits formed by flowing lava moving beneath the hardened surface of a lava flow, often creating tunnel-like structures.
Central Vents
The main conduit in a volcanic system through which magma travels from beneath the Earth's surface to its exterior.
Flood Basalts
Large volcanic eruptions that cover large areas of the Earth's surface with basalt lava, forming thick lava flows.
Columbia Plateau
A geologic and geographic region in the Pacific Northwest of the United States characterized by a level area of basaltic lava flows.
Q13: Shoplifting, auto theft and burglary would best
Q15: A volcanic breccia texture indicates that:<br>A)there was
Q20: Using the data in this table,calculate the
Q22: What does the shape of these crystals
Q23: Which of the numbered features is a
Q43: Which of the following is considered one
Q43: What is the interpreted origin for magma
Q52: Why does the Tibetan Plateau,shown in this
Q58: Which of the following is characteristic of
Q66: The most damaging type of eruption that