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Roadside Geology of Oregon, by Marli B. Miller
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When the first edition of Roadside Geology of Oregon was published in 1978, it was revolutionary—the first book in a series designed to educate, inspire, and wow nongeologists. Back then, the implications of plate tectonic theory were only beginning to shape geologic research and discussion. Geologists hadn’t yet learned that Oregon’s Klamath and Blue Mountains were pieces of far-traveled island arcs and ocean basins that had been piled against the growing North American continent. Steaming volcanoes, ghost forests, recent landslides, and towns heated with geothermal energy attest to Oregon’s still-prominent position at the edge of an active tectonic plate.
Author, photographer, and geologist Marli Miller has written a completely new second edition based on the most up-to-date understanding of Oregon’s geology. Spectacular photographs showcase the state’s splendor while also helping readers understand geologic processes at work. Maps generated with the latest technology show you just how far the science of geology—and Mountain Press—has come since 1978, a time when today’s takenfor-granted computers were as new as plate tectonic theory. Roadside Geology of Oregon, Second Edition, is a must-have for every Oregon resident, student, and rockhound.
- Sales Rank: #244053 in eBooks
- Published on: 2015-08-02
- Released on: 2015-08-02
- Format: Kindle eBook
Review
Oregon has some spectacular geology and for all the rockhounds out there, UO geologist Marli B. Miller's newly updated Roadside Geology of Oregon provides everything you need to know about pulling over on road trips to gawk at feldspar and fossils. The first version of this guide came out in 1978, and a whole lot of awesome geology has taken place since then.
The book is easy to follow, including a plethora of maps and details descriptions of how Oregon's iconic landscapes came into being. For example: Oregon's oldest exposed rocks are 400 million years old, found in central Oregon. And how cool is it that Mount Pisgah is made of "altered 30-million-year-old basaltic lavas"? If you agree, then bring this book along on your next road trip so you can enthrall (or annoy, if they're spoilsports) your family with the age in millions of years of each passing rock formation. --Amy Schneider, Eugene Weekly
"The geology information is breathtaking, but the easy format appeals to the humble traveler looking for a new destination as well. The photography is stunning and provides a current view of the state...Discover Oregon on a whole new level."--Wendy Stevens --Portland Book Review
About the Author
Marli B. Miller is a senior instructor and researcher in geology at the University of Oregon. She completed a MS and PhD in structural geology in 1987 and 1992, respectively. She teaches a variety of courses, including structural geology, field geology, and geophotography. In addition to numerous technical papers, she is the author of Geology of Death Valley National Park, with coauthor Lauren A. Wright, and the photographer for What s So Great About Granite? Marli has two daughters, Lindsay and Megan.
Most helpful customer reviews
17 of 17 people found the following review helpful.
One of the very best Roadside Geology books
By Daniel
I just finished reading Miller's 2nd edition yesterday and am very pleased with it. I live in Oregon, am not a geologist or scientist, and have taken the 1st edition on many trips, and I expect to take the new edition on many more. It is superior in many ways to the 1978 1st edition (with no disrespect intended to Alt's and Hydmann's first venture into the roadside geology business). I also think it is one of the best written of the 15 or so Roadside Geology books I own.
She has used more modern names for the state regions and has slightly rearranged the order of presentation for the better. She has paid close attention to details, thousands of them. (I wonder what her notebooks look like.) Evidently, she has personally driven most if not all of the roads described in the book, and she seems to have taken most of the photographs herself. (She likes polarizers and deep blue skies!)
What does Miller do that makes her book so good? She seems to have tried to reach a broad range of readers, both those who already are familiar with geological concepts, explanations, and vocabulary, and those who are approaching a geology book for the first time. For example, geologists think of rock formations and accreted terranes the way that novelists and biographers think of people as characters: you've got to give them names and ages and a certain "personality". Then the writer has to refer to dozens of them, but not lose the reader, who may be picking up the book months after reading it the last time. In the 1st edition Alt & Hyndman solved the problem by avoiding formation names and just using descriptions of the rock types in them. Miller bravely uses the actual names of formations and adds succinct reminders most of the time of what the formation contains. It worked for me, and now terms like Siletzia, Columbia River Basalt Group, Tyee, and Clarno all make music for me. Her other science writing skills are very good.
She succeeds in making it much easier to actually locate a site while being a passenger and reading aloud the relevant passage to the driver. She often gives the mileage marker, a great benefit from the Oregon Dept. of Transportation. She often thinks to tell you where the point happens where you pass from one terrane and/or formation to another. She posts actual color photos of interesting sites and points out what to look for in the picture. The books are printed on heavy-weight glossy paper that reproduces color photos very richly and with a lot of detail.
The famous strip maps of the Roadside Geology series are enhanced in her hands. The glossy paper, use of color, and modern printing techniques permit her and the publisher to put much detail into the maps. They are very rich. The material is referenced both by the labels and pointers as well as text descriptions of what is on the roads. As other authors have done, she sometimes refers to a small town that is not on the map, but not too often.
She has included coverage of some minor roads that were not described in the first edition. Two examples are Oregon Rte. 205 branching from US 26 near Portland to Tillamook and OR 205 in the southeast Oregon basin and range region near Steens Mountain.
She includes the big geological stories of Oregon: examples are subduction earthquakes, the clockwise rotation of the coast mountains around a center in southern Washington, the effect of the Missoula ice-age floods on the Columbia River region, and the Basin and Range faulting. Little tidbits are included, too: the folding of the Oregon coast with low center (near Newport, if I recall correctly) and the making of the weird Oxbow on the Snake River and many more.
I think even readers from other states and countries may find this book well worth reading because Oregon has such complexity and Miller has described it so well.
6 of 7 people found the following review helpful.
The Roadside Geology Series just keeps getting better and better!
By Theresa Holmes
I have been reading the Roadside Geology books (and Geology Underfoot) for at least 20 years, and have copies of all that have been published. I’ve studied the original version of RG Oregon numerous times, and have been waiting for at least the last decade for an updated edition. This has especially been the case since I read Roadside Geology of Idaho, by David Alt, which included his theory that the Columbia Plateau flood basalts and the succession of calderas forming the Snake River plain (of which the Yellowstone volcano is the latest) were both the result of an asteroid strike in southeastern Oregon about 17 million years ago. No mention of that was made in the original version of RG Oregon.
Unfortunately, no mention of that idea was made in this version either, at least not directly. That’s okay, because in all other ways, the 2nd Edition is well worth the money, as well as the time it takes to read it carefully.
Although the theory of an asteroid strike isn’t even mentioned, there is a set of drawings on page 215 that shows the distribution of the major units of the flood basalts, beginning with the Steens Mountain series in southeastern Oregon between 16.8 and 16.6 million years ago. This matches up beautifully with the location of the initial impact crater, especially since it is circular, more or less. It is followed by the Imnaha series, which began in the same area and flowed northeast into Idaho and around the Wallowa mountains to flow west. Above that lie the massive Grand Ronde series, which overlie the Imnaha series and cover the southeastern third of Washington. Not only that, they flowed west all the way to the Pacific and caused some interesting land forms and features there. Not once, but many times. At the same time, the less extensive Prineville and Picture Gorge series added to the volume of flood basalt in north central Oregon. As if that weren’t bad enough, the Wanapum series (also referred to as the Yakima basalts in the original versions of RG Oregon and Washington) flowed over much of the Grand Ronde basalts in Washington and northern Oregon, again all the way to the Pacific. Finally, as a kind of sputtering last gasp, the Saddle Mountains series covered areas of the Wanapum series in southeastern Washington and northern Oregon as well.
In all, we’re talking a total volume of around 52,800 cubic miles, covering an area of more than 77,220 square miles. Some single flows had volumes greater than 480 cubic miles. Clearly the Columbia Plateau Basalts are the North American equivalent of the Siberian Traps that may have contributed to the Permian-Triassic extinction (also known as The Great Dying), and the Deccan Traps in India that may have contributed to the Cretaceous Extinction (along with whatever hit Chixulub).
The other interesting fact mentioned in this edition that didn’t get mentioned in the first is the existence of McDermitt Caldera (pg. 234 map) as the oldest of the Yellowstone Hot Spot calderas. It is within the Steens Mountain area. For more on the theory, read Roadside Geology of Idaho.
Why am I so interested in the Columbia Plateau basalts? I grew up in Richland, Washington, and traveled around that part of Washington and Oregon. In some sense, my fascination with geology rises out of my childhood curiosity about what might cause flood basalts.
But there is much more to like about the 2nd Edition of RG Oregon, including all the color photos, the carefully drawn geological maps, the updated application of plate tectonics theory to how Oregon grew through the addition of terranes accreted from elsewhere as the North American Continent has expanded westward since the North Atlantic began to open back during the Triassic Period, and the fact that Oregon appears to have been rotated clockwise about 70 degrees since the first terranes were accreted probably beginning around 100 million years ago or more. Also of value is the discussion of the Missoula Floods during the last Ice Age. These caused the Channeled Scablands in Eastern Washington, left huge sandbars in places you’d never expect them up and down the Columbia River, and large rocks in the Willamette Valley that could only have come from Montana or Alberta Canada. You can read all about them in “Glacial Lake Missoula and Its Humongous Floods,” also by David Alt.
For anyone with an interest in the geology underlying the scenery you see out your car windows when you drive around this great nation of ours, I highly recommend the Roadside Geology series, as well as the Geology Underfoot series by Mountain Press. And I encourage the editors at Mountain Press to update more of their books, especially Washington, Idaho, Montana, Wyoming, Arizona, New Mexico, and Texas (and any of the others that haven’t been upgraded to full color).
I can hardly wait till there’s a Roadside Geology book for every state in the union because reading them is almost as good as visiting those states for those as can’t, and greatly increases the enjoyment of visiting by providing an understanding of how the land forms beyond your car windows came to be the way they are.
3 of 3 people found the following review helpful.
Worthy and much needed successor
By abcd
For years I have been hoping for an updated Roadside Geology guide to Oregon. This book lives up to my expectations and is worth purchasing even if you already have the old version. That first edition, by Alt & Hyndman, is nearly 40 years old now. It was the very first Roadside book, I think, and they deserve plenty of credit for kicking off the genre. Since then, however, the science has advanced a lot, as has book printing technology, and so has the Roadside series. Alt and Hyndman went pretty easy and light on details, but experience has shown the publishers that people actually do want more. The recent guide to Massachusetts, for example, is much longer than the Oregon book, despite MA being a tiny state and less rich in geological wonders.
The new guide by Miller lives up to the current standard for the series. It probably has twice the word count of the A&H book (more pages, and less white space), covers several roads they left out (e.g., OR218 through the interesting Clarno/John Day region) lots of detailed, color geological maps using standard formation names, as well as helpful color photos, including a bunch of aerial shots that give context to what you'll see from the road. Reflects the state of the science today. In some areas that just means details have been fleshed out. The big story, though, is the understanding we now have of terrane accretion -- how much of Oregon was assembled over the last 200M years from chunks of land that plate tectonics brought in from faraway places.
A very minor gripe is that I wish Miller had given a nod to Alt and Hyndman somewhere, such as the acknowledgements section. True, her book not an 'update', she clearly wrote from a clean slate, but it still would have been gracious to do so.
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