Lava Beds

http://www.lrrforums.com/showthread.php?13361-Oct-3-2009-Elephant-Rock-Lava-Beds

http://www.rgj.com/news/stories/html/2004/04/07/67965.php OLD LINK

Lava Beds rest quietly, Mark Vanderhoff, RENO GAZETTE-JOURNAL, 4/7/2004,

... Elephant Head Rock, for example, a feature of the Lava Beds and the high point of the Sheephead Mountains, stands at just 6,283 feet. What the map doesn’t say is that Elephant Head Rock contains a natural arch that’s 40 feet across and 20 feet high. ...

(Alvin McLane, 69, of Reno) took a National Geographic photographer and writer to the site in 1983 for book called “America’s Hidden Corners.” ...

The name “Lava Beds” is a misnomer, ... consist of granitic rock ranging in age from 85 to 104 millions years. That granite is considered to be an extension of the Sierra Nevada batholith

(more)