Our lake is a world-class oddity, an arm of the Bay in the midst of a city. It rises and falls with the daily tides. An inside-out island, a marine habitat surrounded by land, it is truly a mediterranean sea.
Tag: geology
Bay Nature
Bay Nature’s Most-Loved Stories in 2022
Stories about abalone, bobcats, underground rivers, newts, two-headed worms, out-of-place birds, acorns, shrews, moles, shrew-moles, and clams with a purpose.
Spring Issue 2021
Explore the Pygmy Forests of Van Damme State Park
If you head north along the coast this spring, take time to discover the pygmy forests growing (very slowly) in the uplands of Mendocino.
Winter Issue 2020
Naturalist’s Notebook: Gravitational Wasting
See evidence of “gravitational wasting” erosion on Bay Area hillsides.
Geology
A Geologist Argues Against ‘Time Denial’
In her new book Timefulness, geologist Marcia Bjornerud tries to change the culture of right now.
Winter Issue 2018
A Newly Discovered Potential Cause of Rockfalls in Yosemite
What role might heat play in causing rocks to fall? Scientists look for an answer.
Summer Issue 2016
Finding Stories in a Few Grains of Northern California Beach Sand
Magnified 200 times, these grains from Point Reyes tell an ancient tale.
Summer Issue 2015
Rocking Out on Geology at Kehoe Beach
Point Reyes National Seashore. Trail: 2.5 mi, 95 ft elevation gain, out-and-back
Geology
Iconic Tennessee Beach arch suddenly falls into sea
And suddenly it was gone. The iconic rock arch at Tennessee Beach in Marin unexpectedly gave way, changing the view forever.
Geology
Video: Take a Tour of the Marin Headlands with Geologist Doris Sloan
Doris Sloan wrote the book on Bay Area geology and has taught thousands about the rocks beneath our feet.
