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Ammonite in limestone rock (Bavaria, Germany)
Native American rock art is prevalent throughout the Four Corners Region of the southwest USA, particularly in the southeastern portion of Utah. This panel is a herd of possibly antelope or bighorn sheep that can be found near Bluff, Utah and is known as the Sand Island petroglyph site.
rough round agate mineral sample with outer shell geode
Bivalvia Fossil inside a limestone rock on moss floor. Gastropods from the jurassic period captured during autumn season.
...an old Spanish coin, a means of payment from the Iberian Peninsula made of metal
chinese medicine Rhizoma Cibotii, Cibotium barometz
A garden banden snail (Cepaea hortesis) in close-up on a stone in the morning sunlight.
Concretion formations in a rock in the Grand Staircase-Escalante National Monument in southern Utah during the fall. Concretions are precipitated mineral deposits that form in the spaces of sedimentary rock.
Ancient Anasazi petroglyphs in Monument Valley tribal park
Ancient Vernal style petroglyph. Fremont Culture, Utah.
Petrified Forest National Park, a natural attraction place with many petrified tree trunks and fossils, in Arizona, USA.
Acid sulphate mudpool at the Sulphur Flats in Rotorua, New Zealand.
Painted Desert, Petrified Forest National Park, Arizona - United States
Mica, silicate phyllosilicate.
color natural mineral collection as nice background
Cross section of rock backgrounds
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A macro image of an old leaf with a bubble on it
Bowmans Beach, Sanibel Island
One mile paved trail winds through the Blue Mesa Hills in the Petrified Forest, Arizona, USA
Waste water and dirty foam pollute the environment. Sewage or industrial waste
Tulelake, California, National Park, National Monument, Cliff, petroglyphs
Boiling water bubbler Geyser. Active geyser with major eruptions. Yellowstone NP, Wyoming, USA
A close up of texture on natural slate. Background.
Great City of Petra (Jordan)
This is a closeup of the colorful petrified wood that you can see at Petrified Forest National Park in Arizona.
internal tissue of a sea creature's shell. pores. macro photo.
Rock formation with multiple thin layers of shattered rock.
Fishhoek. The bark of a palm tree is basically not bark at all. It is made of the hardened cells left over from previous shed fronds. This forms an interesting pattern of wood-like pieces with very sharp spikes and in between straw-like parts.
A scenic view of one of the many lava fields on Bartomome Island. Bartolome is one of the youngest islands in the Galapagos and displays a fantastic landscape of lava formations.
Free Images: "bestof:Pulaliusvulgaris.jpg en Pulalius vulgaris fossil on display at the San Diego County Fair California USA own Stickpen 2010-06-16 public domain Brachyura fossils"
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Young female mummy from near Lupo, Peruvian Andes, about 550 years old - San Diego Museum of Man - DSC06926.JPG
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Unidentified glass fruit - De Young Museum - DSC00305.JPG
Reliefs - Spreckels Temple of Music - San Francisco, CA - DSC05238.JPG
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Night San Diego sailboats skyline.jpg
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F 16 at the miramar airshow in san diego.jpg
Broken crab shell on the silver strand beach in coronado.jpg
Aerial shot of people walking close to the San Diego sector.jpg
Botanical building in balboa park in San Diego.jpg
Buildings on the prado in Balboa park San Diego.jpg
Downtown San Diego seen from the Cabrio monument.jpg
Beavertail cactus at the wild animal park in San Diego.jpg
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San Joaquin gold cheese.jpg
St Pat cheese.jpg
The progress of the San Diego border sector project.jpg
Midway aircraft carrier at the San Diego maritime museum.jpg
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