A Geoblog is a blog written by someone with rocks
in his headon his mind. A Geoblogger takes a drive up to the Mauna Kea observatories and decides that the undulating, striated roadside was created by the ancient lay of the land, not tectonic compression. (Certainly not the markings left by a bored, oxygen deprived backhoe operator as I would have guessed). A Geoblogger gives us a different point of view and another reason to be proud of our island home.
Callan Bentley is a professor of Geology at Northern Virginia Community College and judging by his illustrations, photos and writings, I would bet that his classes are the most entertaining and effective ones on campus.
He illustrates here, how the continent of North America resembles an old sofa:
"torn by rifting, scratched by glaciation, stained by lava flows, draped in slipcovers (sedimentary layers), and augmented by additional material: pillows on the sofa, accreted terranes (exotic blocks of crust) on the continent."
Now read that excerpt minus the graphics and colored words and what do you get?
Professor Bentley has been on the Big Island this past week and shares his view(s) of Hawaii: