Volvon Village on Mallory Creek 715 bedrock mortars and countless housepits spread over a half mile. Cupule rock. This village, located in the highlands of the Black Hills, must have been one of the largest settlements in the prehistoric Bay Area, yet it was, apparently, unknown to early archaeologists and historians. It does not appear […]
Below Cave Point11 bedrock mortars all one one rock.Think those big holes are geoconcretions? Think again. They are huge bowl mortars. Their side walls bulge out into the surrounding rock in a classic “Olla” shape–the bowl is wider at the side walls than it is at the rim. The bottoms of these bowls are basically […]
Canyon Middle School8 bedrock mortars on two rocksElevation 302 ft.Thanks to Joel for discovering this charming site.One of the mortar rocks here sits near the edge of a steep cliff above Crow Canyon Road and the buried Crow Creek.There are beautifully proportioned mortars on this rock.Another beautiful mortar rock sits in a little meadow not […]
Green Valley Creek2 bedrock mortars in Green Valley CreekElevation 380 ft.Thank you Rick Hicks.Bob admires the mortars in the creek behind the Fresh and Easy market on Diablo Road. Although it’s the day after small rain storm, there’s an unaccountable amount of water in Green Valley Creek for late October in a drought year.The closely […]
Los Meganos State Historic Park2 bedrock mortars and two anvilsElevation 230 ft.These mortars sit near Briones Creek in the hills behind John Marsh’s house. We wouldn’t have looked for mortars or even hiked here if Joel had not made an initial reconnaissance of this area.Bob looks toward the mountain and its subsidiary peaks. The Briones […]
Macedo Ranch4 bedrocks in the saddle of the “China Wall”.1 bedrock mortar and a grinding slick on ridge top above.This site is very near the Volvon/Tatcan tribelet boundary.Bob and Jim approach the China Wall.There are some surprisingly deep bedrock mortars here.A closeup of the deepest mortar. We call mortars with interiors like this “bullet-shaped.”
Monte Bello Open Space–headwaters of Stevens Creek12 bedrock mortars and 34+ cupules, 14 on one rock and 20 on anotherElevation 2240 ft.Looking up at the site, another one of Joel’s South Bay discoveries.There are 14 cupules on the rock in the center of the photo. The proximity of cupule rocks to water sources is well-documented. […]
North Walpert LookoutTwo bedrock mortars.Elevation 1480 ft.Jeff certainly has a flair for discovering obscure, out-of-the-way sites.The views form this site are phenomenal.Looking west over Stonebrae.Mt. Diablo and the Black Hills rise in the distance.Oh yeah…one of the mortars.Photographs by Bob Bardell.