Mount Diablo Field Trip March 18, 2001
Photos by David Donovan and Karen
Wilde
Web page and photo scanning and
editing by R.L. Hanna
|
Field trip participants: |
|
|
Linda Adams |
James Kirkham |

Franciscan radiolarian red-bedded chert
Learning the Brunton Geologic Compass
(Strike and Dip)

A great chert fold

Cherty shale... anyone got their Brunton compass?

This is some great chert!

Close-up of the chert beds

Multicolored chert

Chert outcrop

The Brunton: Strike and Dip

Another great chert fold

Greenstone with white quartz and calcite deposits

The view to North Peak from the Fire Interpretive Trail

Cuestas and the view to the Great
Valley
Devil's Pulpit chert outcrop in the right foreground

View back up to the summit
Devil's Pulpit chert is easily discernible

Vertical sandstone hogbacks

Eroded vertical sandstones

Rock City "Wind Caves"

Our group inspects the "Wind Caves"

A closer look at a "Wind Cave"

On top of the sandstone

Milli and Santiago on the top

Summit Visitor Center wall







Field trip participants:
Linda Adams
Candice Alcott
Judy Deliramich
David Donovan
Shauna Edson
Bruce Kenyon
James Kirkham
Millaray Lavin Martinez
Claire Mittelstaedt
Karen Wilde
Lydona Walker
Ruth Hanna
Photos by David Donovan and Karen Wilde
Web page and photo scanning and editing by R.L. Hanna