Tag: "Cretaceous"

Moon today and during the Cretaceous

Luna Nova: Moon of the Cretaceous Skies

Although I am a lifelong fan of science, I’ve also been a lifelong fan of science fiction—so I sometimes experience conflict on the borderlands where the two meet.

 
Calera Limestone, a Gift from the Ancient Pacific

Calera Limestone, a Gift from the Ancient Pacific

This humble stone is both economically and scientifically valuable, not just a mainstay of the concrete supply but a signpost in time from a world now lost.

 
Geological Outings Around the Bay: Alum Rock Park

Geological Outings Around the Bay: Alum Rock Park

A hundred years ago Alum Rock Park was a big health spa, with a rail line direct from downtown to the warm mineral springs. Today the springs still run among the upturned rocks between the Hayward and Calaveras faults.

 
Geological Outings Around the Bay: Pebble Beach

Geological Outings Around the Bay: Pebble Beach

Pebble Beach is a great place to look at the deep sea floor without getting your feet wet.