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The Adirondack Mountains of New York State: Part IV - Climbing the Geology of...
This is post IV of my four-part series on the geology of the Adirondack Mountains. Please visit:Part I – What's so unique about their geology?Part II – What do we know about their geological...
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Roadside America: Part II - Weird, Wacky, Tacky and Wonderful
Virtually every geology-based road trip I've been on has had its share of unforgettable side-trips, off-beat detours and unplanned turn-offs. Many of them weren't on the map and couldn’t be found again...
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The Great Sand Dunes of Colorado: Part I - Its Geological Evolution
“The answer is blowin’ in the wind.”Bob Dylan, 1962Nestled in an embayment at the foot of the Sangre de Cristo Mountains in south-central Colorado are the tallest sand dunes in North America, rising a...
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A “Written in Stone” Photo is the Chapter 7 - Opener for a New Book on...
I’m pleased to announce that one of my photos from “Written in Stone…seen through my lens” is the Chapter Seven-opener for a new book entitled The Great Extinctions: What Causes Them and How They Shape...
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The Great Sand Dunes of Colorado: Part II – Climbing the Geology of the Dunes
"The whole landscape was on the move."Ralph Alger BagnoldAuthor of The Physics of Blown Sand and Desert Dunes, 1941Having left the lofty San Juan Mountains in July, my colleague Wayne Ranney and I...
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Powell Point at the Top of the Grand Staircase
KODAKCHROME BASINTraveling north on the unpaved Cottonwood Canyon Road in south-central Utah, this overlook oversees the appropriately-named Kodachrome Basin State Park. A National Geographic...
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A Curious Intra-Formational, Angular Unconformity within the Chinle...
Within Moab Canyon on the Colorado River between Castle and Moab-Spanish Valleys, the Chinle Formation possesses a spectacular angular unconformity. Its distinctiveness resides both in its...
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Petroglyphs of Signal Hill: Geology and Cultural History Come Together in...
In the Tucson Mountains west of Tucson, Arizona, lies the unsuspecting rocky outcrop of Signal Hill. Just a short hike from the scenic Bajada Loop Drive through the Sonoran Desert in Saguaro National...
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2013 Year in Review (the photos that “never quite made it”)
Everyone that blogs knows the challenges. What shall I post about next? Is the subject important? Will anyone read it? What photographs should I use? Do they convey the best image possible? Of course,...
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The Great Unconformity at Baker's Bridge: Part III - Regional Geological and...
In my first post on the Great Unconformity, Part I (here), I discussed its contiguous stratigraphy within the Grand Canyon. In my second post, Part II (here), I offered a more global interpretation of...
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Climbing the Geology and Tectonics of Katahdin: An Exhumed, Glacially...
“The tops of mountains are among the unfinished parts of the globe, whither it is a slight insult to the gods to climb and pry into their secrets, and try their effect on our humanity. Only daring and...
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Geological Legacies of the Paris Basin: Part I – Plaster of Paris, the...
In March, I escaped from the frigid grip of the Polar Vortex that enveloped New England and found climatic, cultural and culinary refuge in Paris and London. Not expecting to encounter any geological...
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Geological Legacies of the Paris Basin: Part II – Subterranean Limestone...
"...Paris has another Paris under herself…which has its streets, its intersections, its squares, its dead ends, its arteries, and its circulation”Les Miserables, Victor Hugo, 1862 For a discussion of...
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Guest Post: "Before They Took Off - A Study of Feathers and How Birds Gained...
I am elated and honored to present this guest post to the followers of my blog, written by my daughter Julia, who attends a major American university. The subject matter is the developmental evolution...
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A “Walk on the Moon of Big Water” with Merle Graffam – Discoverer of the Utah...
Vox Clamantis In Deserto"The voice of one crying out in the wilderness"From the Dartmouth College motto adapted from the Gospel of Mark and subtitle of Merle Graffam's treatise entitled Fossils from...
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A Visit to the Miocene Sea at Maryland’s Spectacular Calvert Cliffs: A...
In “101 American Geo-Sites You’ve Gotta See,” author Albert B. Dickas listed Maryland's Calvert Cliffs as number 32. With curiosity piqued and the Cliffs renowned for their diverse and well-preserved...
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Richard E. Byrd III’s National Champion Eastern Hophornbeam Tree
“There are trees, and then there are trees.”Dick Byrd, 2014My neighbor, Dick Byrd of Newton, Massachusetts, has a lot to be thankful for. One of his biggest joys is growing or should I say towering in...
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2014 Posts That Never Quite Made It - A Lustrous Pearl for an Illustrious New...
Every blogger knows the challenge. What shall I blog about next? What photos should I use? By the time the end of the year rolls around, there are always a few posts that never quite made it. And so,...
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Big Brook - New Jersey's Classic Late Cretaceous, Fossil-Collecting Locality
"At first it may seem to be a piddly little dribble through the farmlands and forests of rural New Jersey, but careful observation shows Monmouth County's Big Brook to be a glass-bottomed boat sailing...
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