Lightning strikes, which are especially common on mountain peaks, or other tree less high standing rock outcrops.
Mike Fowler Chicago ebay-starsandrocks > Can a volcano or earth quake squeeze surface rock so hard it causes it to > bleed glass? And then throw it in the air with enough force to cause the > glass to form a dendritic pattern? On one side of the rock? The rock is white > and looks like anorthosite. The surface of the rock is peach colored and > ripled like regmalypts. The glass is black and shiny with some splatering and > flattened and in some places encrusted with dirt when it landed while still > melted. The glass looks like tar that was dropped onto the ground. I at first > thought it was road tar mixed with rocks and dirt. But it doesnt disolve in > gasoline or melt under a torch. It looks kind of like you took a white sponge > and squeezed it to ooze out black shiny paint. The side that looks like > regmalypts also has a few spots that look like zap pits. Any Idea what would > make glass dendrites? Have a great day Steve ______________________________________________ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
