Category Archives: Geology

Geologic Time and Human Time Intersect in California

Posted on February 10, 2010 by Ron Pavellas

Geologists measure time in ‘periods’ and ‘eras’ lasting millions of years. Our current period is The Quaternary Period that began somewhat less than 2 million years ago. Beginning in the Paleozoic Era (544 to 245 million years ago) and ending … Continue reading →

Posted in Books & Literature, Geography, Geology, History, Science & the Sciences | Tagged Abraham Lincoln, Almaden, Almaden Quicksilver County Park, Asbury Harpending Jr, Assembling California, “Loma Prieta” earthquake of 1989 California, California, California Gold Rush, California Gold Rush of 1848, cinnabar, Eldridge Moores, Gold Rush, John McPhee, Kalpana Mohan, mercury metal, Mesozoic Era, New Almaden, Ohlone Indians, Paleozoic Era, San Andreas fault, The Quaternary Period | Leave a comment

Quick! What’s the Ninth Largest Country in Area?

Posted on January 21, 2009 by Ron Pavellas

Wrong! (Probably). Why am I asking you this? Because a few months ago, while visiting Johannes & Anna in Uppsala, Eva and I met a married couple who came to Sweden a number of years ago, one from Moscow and … Continue reading →

Posted in Demography, Geography, Geology, History, Technology | Tagged Caspian Sea, China, Dick Cheney, Genghis Khan, Karachaganak Field, Kazakh, Kazakh Khanate, Kazakhs, Kazakhstan, Russia, Russian Empire, Soviet "Virgin Lands" program | 2 Comments

Category Archives: Geology

Geologic Time and Human Time Intersect in California

Quick! What’s the Ninth Largest Country in Area?

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