Be Alert, Know Your Chert

Know you’re going to be at a boring holiday party?  Then download this handy geological map layer for Google Earth! Provide entertaining commentary all evening!

Guest: “You are so lucky! Did you know you live at a nexus of Franciscan Complex chert and Great Valley serpentinite? Such complex weathering!”

Host (whispering to spouse): “Who let him in? I said no more fucking bloggers!”

You can activate the geologic abbreviation key by clicking on “Unit Labels” in GE and referencing the color coded index.

Looking north, hovering over Excelsior.