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<< Other Photo Pages >> Swansea petroglyph site - Rock Art in United States in The West

Submitted by Harald_Platta on Monday, 14 June 2010  Page Views: 13428

Rock ArtSite Name: Swansea petroglyph site Alternative Name: INY272
Country: United States Region: The West Type: Rock Art
Nearest Town: Swansea
Latitude: 36.600000N  Longitude: 117.9W
Condition:
5Perfect
4Almost Perfect
3Reasonable but with some damage
2Ruined but still recognisable as an ancient site
1Pretty much destroyed, possibly visible as crop marks
0No data.
-1Completely destroyed
4 Ambience:
5Superb
4Good
3Ordinary
2Not Good
1Awful
0No data.
4 Access:
5Can be driven to, probably with disabled access
4Short walk on a footpath
3Requiring a bit more of a walk
2A long walk
1In the middle of nowhere, a nightmare to find
0No data.
2 Accuracy:
5co-ordinates taken by GPS or official recorded co-ordinates
4co-ordinates scaled from a detailed map
3co-ordinates scaled from a bad map
2co-ordinates of the nearest village
1co-ordinates of the nearest town
0no data
3

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ungust visited on 11th Feb 2015 - their rating: Cond: 4 Access: 4 We were up here for my Lady's Birthday. Places like this are special for us. The Park Rangers at the visitor center in Lone Pine will not give you the exact coordinates to the site. But, to use their favorite saying, " If you are in Keeler, you have gone too far". Swansea is about 9 miles east of Lone Pine. Only one building ( inhabited) across the highway from an old smelter. Look for the Cerro Gordo Rd. sign. Then look for the tire tracks, you are close, use your intuition and you should be rewarded. The Rangers won't give you the exact coordinates, because they don't want vandals to find these sites easily. Let's help them out and keep these sites protected, for others to visit and for the future generations to remember. Tread lightly, bring lots of water, take lots of photos. ENJOY!

mfrincu couldn't find O looked for this place in our expedition to the Eastern Sierra petroglyph sites. However lack of markings and willingness from others to share the coordinates left us wondering.

Swansea petroglyph site
Swansea petroglyph site submitted by Flickr : 14-glyph Image copyright: Muzzlehatch (Eric Lowenbach), hosted on Flickr and displayed under the terms of their API. (Vote or comment on this photo)
Rock Art in Inyo County, California.
The petroglyphs at site INY272 in eastern California comprise a solar calendrical observatory, with rayed circles, spirals, and other patterns evidently marking the times of at least the summer solstice, equinoxes, and possibly cross-quarter days, with distinctive patterns of light and shadow at sunset or sunrise. Some of these patterns are reminiscent of those reported at Chaco Canyon and elsewhere in the American Southwest.

Of primary interest here is one equinox marker, consisting of six vertical bars pecked into the rock, that predicts the actual time of equinox within a few hours.1 This is a remarkable degree of accuracy and precision for an apparently simple device. Although it is difficult to attribute motive and intent to the ancient people who created this petroglyph, it is possible to infer some ways the marker could have been designed, what minimum kit of tools and ideas was necessary to design it, and how closely its use matches theoretical performance limits. The purpose of this article is to investigate these questions.

Site INY272... Petroglyph site INY272 is located at latitude 36.6°N and longitude 117.9°W and an elevation of 1130 m, just north of the town of Swansea. The western horizon is formed by the jagged crest of the Sierra Nevada, 30 km distant and rising 3 km above Swansea. There are several hundred petroglyphs at the site, most of which were pecked into white dolomitic marble boulders and bedrock that have been stained tan by weathering. The petroglyphs are concentrated on a wave-polished promontory that was, buried by beach gravels of Pleistocene Owens Lake at the end of the last glaciation, less than 15,000 years ago. The age of the lake high stand was estimated from radiocarbon dating of unaltered clam-shell fossils from the beach gravels themselves, and from tufa lower in the stratigraphic section. It is consistent with radiocarbon dates of organic matter from lake-sediment cores nearby. The lake level throughout the Holocene was lower and the promontory has been exposed above shoreline that whole time. The Holocene climate has been arid; modem rainfall is about 10 cm/yr.

More, with references at the Equinox Project. Photos of the site at Harry Helms' Blog.

Note: Summer solstice field trip to Swansea Petroglyph site, June 19-21, 2010 and article in PCAS newsletter March 2010, see comment

(Page text originally posted by Andy_B; pictures posted by Harald_Platta)

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Swansea petroglyph site
Swansea petroglyph site submitted by Flickr : 12-glyph Image copyright: Muzzlehatch (Eric Lowenbach), hosted on Flickr and displayed under the terms of their API. (Vote or comment on this photo)

Swansea petroglyph site
Swansea petroglyph site submitted by Flickr : The Swansea Petroglyphs There is a place near the ghost town of Swansea in the Owens Valley, California, where you can find dozens of ancient petroglyphs dating from as far back as 4,000 years ago. No one knows who made them. Some theorize the Shoshone people made them, but some Shoshone say they were made long before the Shoshone arrived in the valley. The site is unmarked, unprotected; the anci... (1 comment - Vote or comment on this photo)

Swansea petroglyph site
Swansea petroglyph site submitted by Flickr : 06-glyph The dolomite has a brown crust of weathering. Underneath is white. It is not a simple matter to scratch off the crust, which is as hard as the rock beneath. Image copyright: Muzzlehatch (Eric Lowenbach), hosted on Flickr and displayed under the terms of their API. (Vote or comment on this photo)

Swansea petroglyph site
Swansea petroglyph site submitted by Flickr : 15-glyph The sun and moon, methinks. Image copyright: Muzzlehatch (Eric Lowenbach), hosted on Flickr and displayed under the terms of their API. (1 comment - Vote or comment on this photo)

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"Swansea petroglyph site" | Login/Create an Account | 1 comment
  
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Re: Swansea petroglyph site field trip and article by Andy B on Monday, 14 June 2010
(User Info | Send a Message)
Steve O’Neil leads a field trip to the Swansea petroglyph site where we will watch the sun’s rays interact with petroglyph elements during summer solstice sunrise and sunset. Steve’s articles on the Swansea site appeared in the October 2009 and March 2010 PCAS Newsletter.
http://www.pcas.org/fieldtrip.html

The second newsletter article is here (PDF)
http://www.pcas.org/assets/documents/March10finalweb.pdf

A SOLSTICE MARKER: SWANSEA PETROGLYPH SITE, CA-INY-432
A site revisited, a hypothesis tested, and new observations
By Stephen O’Neil

In late December 2009 I returned with Olivia Batchelder
to the Swansea Petroglyph site to check for solar event
markers during the winter solstice. As described in my re-
port of summer solstice observations at the site (PCAS
Newsletter October 2009, pp. 4&7), two evenings of obser-
vations brought forth four possible markers with six glyphs
involved. These sightings were particularly rewarding given
that the article by Alan Gillespie (n.d.) had only mentioned
the one spectacular “sun dagger” sunset solstice marker.
Though Gillespie did not mention any winter solstice mark-
ers, I had already decided to check as I had developed a
hypothesis regarding a spiral glyph on Boulder 3.

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