View allAll Photos Tagged quartzite
d14112a. With quartz-infilled stress fractures that have diffused into the matrix of the rock with subsequent metamorphism
With each photo of this stone the light echoes change as the sun moves across the horizon. This yellow-wax ochre quartzite stone is not available in this region; it would have been necessary to transport piece and many others across great distances. The Rio Grand River Valley is known to hold great reserves of this curious waxy-yellow quartzite stone; this fact would reinforce the belief that this ancient culture was most likely responsible for sharing their technologies and arts with the Incan and Mayan Civilizations and were comfortably able to travel within the corridors of North and South America transferring lithic materials great distances without compromising the physical integrity of their lithic cargo from one geographic continent to another. How is that possible???
How does one easily explain the science of the light echoes that surround the stones on this site; these light echoes mirror the white quartz bleached images on the different facets of this cube stone. How is it possible that this culture understood light technology to the point where they could control light passing through quartz allowing the images to move and change similar to a modern motion picture.
Too many things to understand at this juncture; I am only the messenger able to somehow capture these curious light echoes, nothing more. There was a time when I didn't even know how to see a light echo or even reproduce them with any pattern or regularity.
It is the pyramidal shape that predominates from one image field to the next; regardless of whether it is physical matter or open field dark energy matter that collects the particle and wave light images within open space. The light echo images surrounding this stone represent images that exist within the quartz particles of this quartzite stone; how this feat was accomplished by the ancient unknown culture is yet to be understood.
Assuming here that he pinks & reds on this particular rock are as a result of ferrous oxide but could be wrong. Either way a lovely sight.
This is quartzite conglomerate, a "plum pudding" stone, in which the quartzite "plums" are cemented in sandstone "pudding". The later represents an ancient sandy beach. The walls are zoned: layers of conglomerate alternate with bands where are relatively few pieces of quartzite. ( "Devil's Lake State Park Visitor", Wi DNR PUB-PR-111 2009).
sarcophagus from burial chamber (replica, original in quartzite - sarcophagus and granite - lid; L: 256 cm, w: 133 cm)
Tutankhamun: His Tomb and Treasures, travelling exhibition of replicas
location: Prague, Czech Republic
author: Jan Helebrant
license CC0 Public Domain Dedication
This is quartzite conglomerate, a "plum pudding" stone, in which the quartzite "plums" are cemented in sandstone "pudding". The later represents an ancient sandy beach. The walls are zoned: layers of conglomerate alternate with bands where are relatively few pieces of quartzite. ( "Devil's Lake State Park Visitor", Wi DNR PUB-PR-111 2009).
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Taken between 6:30 - 7:45 am at Falls Park in Sioux Falls, SD.
I wasn't planning to do a shoot while visiting, so didn't have anything but my phone. It was such a beautiful morning, I couldn't resist.
Taken between 6:30 - 7:45 am at Falls Park in Sioux Falls, SD.
I wasn't planning to do a shoot while visiting, so didn't have anything but my phone. It was such a beautiful morning, I couldn't resist.
Taken between 6:30 - 7:45 am at Falls Park in Sioux Falls, SD.
I wasn't planning to do a shoot while visiting, so didn't have anything but my phone. It was such a beautiful morning, I couldn't resist.
A large petrified rock whose colors and textures have been greatly enhanced via Photoshop and other tools. Photographed in Quartzite, AZ.
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The Dell Rapids Historic District was listed in the National Register of Historic Places in 1978. Photograph by SHPO staff, 2012.
The Dell Rapids Historic District is the downtown commercial area of town focused on two blocks of 4th Street. The district was listed with thirty-nine buildings. Sioux quartzite stone is characteristic of the unique downtown, used from local quarries after a significant fire in 1888 burned down many of the earliest buildings. Victorian era Romanesque style and the Neoclassical style are notable, in addition to the Art Moderne style of the Dells Theatre.
Euro-Americans started settling in the Dell Rapids area in 1868 with a boom starting in 1875 that extended through the 1880s. A railroad connection arrived in 1880. A major industry was the local stone quarry, in addition to agriculture as was common in the area.
October 2012.
Long weekend in Shropshire based in Church Stretton.
The Stiperstones is a very distinctive hill in Shropshire. It is a quartzite ridge formed some 480 million years ago. During the last Ice Age the summit stood out above the glaciers and was subject to constant freezing and thawing which shattered the quartzite into a mass of jumbled scree surrounding several residual rocky tors. At 536 metres above sea level it is the second highest hill in the county, surpassed only by Brown Clee Hill
Quartzite in the Precambrian of South Dakota, USA.
Extensive outcrops of pinkish, Paleoproterozoic-aged quartzites are present at Falls Park along the Big Sioux River in the city of Sioux Falls, South Dakota. The quartzites here have nicely water-worn, sculpted surfaces. These rocks are part of the Sioux Quartzite, which consists of 1.65 to 1.70 billion year old metamorphosed sandstones. Despite the metamorphism, original sedimentary features such as horizontal stratification, cross-bedding, and ripple marks are still preserved.
The Sioux Quartzite is an erosion-resistant unit in America’s midcontinent. It has formed a long-lived paleotopographic high since Precambrian times - the Sioux tectonic core. This high is part of a northeast-to-southwest trending series of paleotopographic highs & depressions known as the Transcontinental Arch, which extends from Arizona to Minnesota (see Carlson, 1999).
Quarries of Sioux Quartzite occur in southeastern South Dakota and southwestern Minnesota. The rocks are used as building stone, road gravel, sidewalk and paving gravel, and erosion control material.
Stratigraphy: Sioux Quartzite, upper Paleoproterozoic, 1.65-1.70 Ga
Locality: Falls Park, near Sioux Falls along the Big Sioux River in the town of Sioux Falls, southeastern South Dakota, USA
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Reference cited:
Carlson (1999) - Transcontinental Arch - a pattern formed by rejuvenation of local features across central North America. Tectonophysics 305: 225-233.