Camptonite Dikes Feeding Cranes Nest Basalts

Be sure to read the interesting old link below circa 1946 prior to renaming of Boulder Dam.
Lamprophyres are rare and poorly understood ultrapotassic hypabissal rocks that occur only as dikes.

35.9547, -114.64257

In filming this I got rousted by a young turnip head ranger that "guessed" I wasn't doing anything illegal by wandering around these rocks but thought my car looked abandoned.... grrrrr!

CAMPTONITE DIKES NEAR BOULDER DAM, ARIZONA:
http://www.minsocam.org/ammin/AM35/AM35_671.pdf

Free KMZ older Geologic Map of the Black Canyon AZ for pinpointing on Google Earth:
https://ngmdb.usgs.gov/Prodesc/proddesc_10929.htm

Roy Orbison - In Dreams:
https://www.youtube.com/watch?v=MVRunwyoTMA&list=RDMVRunwyoTMA&start_radio=1

Music by George Krikes
https://www.youtube.com/watch?v=Wv1payPML-g