Marli Miller has been fascinated by geology since being an undergraduate at Colorado College in the early 1980’s – and has loved photography since high school. Marli maintained a love for photography all through grad school – and confesses she probably took much too long to complete her PhD (University of Washington, 1992) because of it. But as an instructor at the University of Oregon, Marli gets to do both geology and photography!
Steeply dipping beds of Pennsylvanian Fountain Formation, Roxborough State Park, Colorado. 
Oregon Coast at Samuel H Boardman State Scenic Corridor. 
Leucocratic sill in Proterozoic granulite gneiss, Aappilattoq, south Greenland. 
Lenticular clouds off the west coast of Greenland. 
Sisimiut, Greenland. 
Colors in volcanic rocks along Artist Drive, Death Valley, California. 
Tufa deposits at Mono Lake, California. 
Ice-choked fjord at Ilulissat Icefjord, Ilulissat, Greenland. 
Svarifoss, spilling over basalt columns, Iceland. 
Tourists and columnar jointing in basaltic headland at Reynisfjara Beach, Iceland. 
Barge transporting gravel up the Ohio River. Cincinnati skyline in the background. 
Icefjord Center at Ilulissat, Greenland. 
Tilted Miocene sedimentary rocks of the Punchbowl Formation and western Mojave Desert in background. Burned trees from the 2020 Bobcat Fire in the foreground, Devils Punchbowl County Park, California. 
Vik i Myrdal church and fog, Vik, Icelandg. 
Cache La Poudre Canyon, northern Colorado. 
Protective rock along beach, southern California. 
Tourists and the flooded salt flats of Badwater Basin, Death Valley National Park, California. 
Entrance sign to Death Valley National Park, California. 
Folded limestone and thrust fault, South West Montana. 
Hikers and Badlands near Zabriskie Point, Death Valley National Park, California. 
Bird Island, a human-made refuge for sea birds, with Santa Cruz Island in the background, Goleta, California. 
water pouring from drainage pipe, Santa Barbara, California. 
Beach and sea cliffs along west edge of University of California at Santa Barbara campus.. 
Colonnade in 50 Ma basalt flow, SW Montana. 
Mud cracks in Proterozoic Snowslip Fm. of Belt Supergroup, Glacier National Park, Montana.
Marli has lived in Eugene, Oregon , USA for over 20 years. Some of her projects have been writing “Roadside Geology of Oregon”, published in 2014 (RG Oregon book on Amazon), and “Roadside Geology of Washington”, which she did with Darrel Cowan of the University of Washington, released in October, 2017. Most recently, Marli wrote “Oregon Rocks! A guide to 60 Amazing Geologic Sites” (April, 2021) and “Colorado Rocks!” with Magdalena Donahue (October, 2021).
Marli’s great and informative image collection ‘GeolgyPics’, represented by Universal Images Group, comes from over 35 years of geological field research.
Asymmetric folds in ribbon chert, Marin Headlands in Golden Gate National Recreation Area, California. 
Garnet schist with penny for scale. 
Mangrove swamp, Everglades National Park, southern Florida. 
Beach erosion and condominiums, Naples, Florida. 
Emergence of sub-glacial stream, Greenland. 
Storm sewer cap, Denver, Colorado. 
No hiking sign, specific for a mountain biking trail. 
Breccia zone and fault cutting volcanic rock. 
Offshore oil platform with Santa Cruz Island in the background, Santa Barbara Channel, California. 
Chrysotile asbestos, a serpentine mineral. Mineral is approximately 1cm wide. 
Sandstone quarry, Boise, Idaho. 
Mafic dike cutting Proterozoic gneiss, southern Greenland. 
Twin Owls, Colorado, and exposure of Proterozoic granite.. 
Oligocene paleosols of the John Day Formation. John Day Fossil Beds National Monument, Oregon. 
Root cracking. Lone tree growing from granitic bedrock at Olmstead Point, Yosemite National Park, California. 
River terraces of glacial outwash deposits, near Kangerlussuaq, Greenland. 
Cuesta formed by erosion of gently dipping sedimentary rocks and Horsetooth Reservoir, near Fort Collins, Colorado. The resistant, ridge-capping rock is part of the Permian Lyons Sandstone. 
Oil seep, Carpenteria Beach, California. 
Crater Lake caldera and Wizard Island, Crater Lake National Park, Oregon. 
Zip-lining on Kauai, Hawaii. 
Malheur Butte, a volcanic neck near Ontario, Oregon. 
Cliffs of deeply weathered basalt flows in Waimea Canyon State Park, Kauai, Hawaii. 
Malheur Lake, Oregon. 
Oligocene paleosols of the John Day Formation. John Day Fossil Beds National Monument, Oregon. Picture Gorge Basalt forms the cliffs in the background. 
Sandy beach, fog, and headlands, Washburn State Park, Oregon.
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