Building Blocks of the Earth : Rocks and Minerals
Object ID:
1919.1.1
Collection:
Natural History
Object Name:
Lava gravel
Dimensions:
H-3.2 W-11.5 L-11.6 cm
Description:
Lava gravel imbedded in lava flow, gravel includes some vesicular basalt, obsidian.
VE Exhibit Label 1:
Vesicular basalt is a dark-colored volcanic rock that contains many small holes, more properly known as vesicles. A vesicle is a small cavity in a volcanic rock that was formed by the expansion of a bubble of gas that was trapped inside the lava.
Rock Type:
Igneous
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