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Norman Sperling
2625 Alcatraz Avenue #235
Berkeley, CA 94705-2702

cellphone 650 - 200 - 9211
eMail normsperling [at] gmail.com

Norm Sperling’s Great Science Trek: 2014

San Luis Obispo
Santa Barbara
Palm Springs
Death Valley
Tucson
El Paso
Corpus Christi
Baton Rouge
Tampa
Everglades
Key West
Winter Star Party, Scout Key
Miami

MARCH 2014:
up the Eastern seaboard
mid-South

APRIL 2014:
near I-40, I-30, and I-20 westbound

MAY 2014:
near US-101 northbound
May 17-18: Maker Faire, San Mateo
May 23-26: BayCon, Santa Clara

California till midJune

JUNE 2014:
Pacific Northwest

JULY 2014:
Western Canada, eastbound

AUGUST 2014:
near the US/Can border, westbound
August 22-on: UC Berkeley

Speaking engagements welcome!
2014 and 2015 itineraries will probably cross several times.

101 American Geo-Sites You've Gotta See

by Albert B. Dickas. Mountain Press, Missoula, 2012. 978-0-87842-587-7. $24 softcover
review © Norman Sperling, June 11, 2012

Both for sight-seeing and for tutorials, this is a wonderful new book. It illustrates a great many important geological principles while providing glorious sights to see. Almost all of the sites can been visited by road. You'll find many settings of igneous, sedimentary, and metamorphic rocks (JIR spoofs those as ingenious, sentimental, and metaphoric).

Each selection has a 2-page spread: the left side tells coordinates, background, and what you can see. The right side presents 3 or 4 photos, cross-sections, maps, and/or development sequences. As in most cases where a publisher or designer dictates that all selections get equal space, both stories and typography may seem puffed or crammed.

Many places are within a half-day drive for most Americans. There's at least one in every state - one of the selection criteria. Just as in baseball's All-Star Game, where there has to be a player from every team, this promotes a number of less-important selections at the expense of better ones. Baseball depends on its fan-base, but people seeking superior geologic examples know perfectly well that they have to travel to see most of them. I hope the next edition abandons this criterion. Travelers will find concentrations of gem-quality sites easier to take in during reasonable excursions.

The author's illustrations and points are extremely clear. I found no typos, and only 5 minor mistakes.

The glossary, references, and index all have lots of entries, enabling a reader to pursue items. The glossary is a bit terse considering that many readers are novices. But it does distinguish, for example, between "terrain" ("A region of the Earth that is considered a physical feature, such as the Great Plains") and "terrane" ("A body of rock bounded by faults and characterized by a geologic history that differs from adjacent terranes"). It would be improved by listing all the examples in the book. The index probably doesn't list all occurrences of each term.

Whether you seek the newest or oldest rocks, or relics of ancient Gondwanaland or Rodinia, this book shows the way. These 101 geo-sites are well worth the trip for anyone interested in the more durable parts of Nature.

The Journal of Irreproducible Results
This Book Warps Space and Time
What Your Astronomy Textbook Won't Tell You

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