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Offretite from
Devils Backbone, North Fork John Day River, Grant County, Oregon, USA


Classification
Species:Offretite
Formula:KCaMg(Si13Al5)O36 · 15H2O
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Lévyne4 photos of Offretite associated with Lévyne at this locality.
Data
Mineral Data:Click here to view Offretite data
Locality Data:Click here to view Devils Backbone, North Fork John Day River, Grant County, Oregon, USA
Data Identifiers
Mindat Occurrence Record ID:1076258
Long-form Identifier:1:3:1076258:9
GUID (UUID V4):44013101-6cff-4d74-a999-8f8823a1dd8a
Nearest other occurrences of Offretite
11.8km (7.3 miles) Middle Fork Cliffs, Ritter, Grant County, Oregon, USA
15.0km (9.3 miles) Roadside Quarry, Ritter, Grant County, Oregon, USA
15.1km (9.4 miles) Upper Ritter Quarry, Ritter, Grant County, Oregon, USA
39.6km (24.6 miles) Burnt Cabin Creek, Spray, Wheeler County, Oregon, USA
52.5km (32.7 miles) Beech Creek Quarry, Mount Vernon, Grant County, Oregon, USA
References
Reference Search (possible matching items)
Book
mazzite, merlinoite, montesommaite, mordenite, offretite, paulingite, perlialite, thomsonite, tschernichite...LEVYNE EPISTILBITE FAUJASlTE POLLUClTE MORDENITE OFFRETITE GONNARDITE WELLSlTE* ERIONITE DACHIARDITE STELLERITE*...in the Oligocene to Lower Miocene John Day Formation in central Oregon (Hay, 1963a), The ash was wind-lain...dating of potassium feldspar in the base of the John Day Formation shows that it crystallized 22 million...molten volcanic rock comes in contact with water (river, lake, or damp surface) the base of the flow is
Book
mazzite, merlinoite, montesommaite, mordenite, offretite, paulingite, perlialite, thomsonite, tschernichite...LEVYNE EPISTILBITE FAUJASlTE POLLUClTE MORDENITE OFFRETITE GONNARDITE WELLSlTE* ERIONITE DACHIARDITE STELLERITE*...in the Oligocene to Lower Miocene John Day Formation in central Oregon (Hay, 1963a), The ash was wind-lain...dating of potassium feldspar in the base of the John Day Formation shows that it crystallized 22 million...molten volcanic rock comes in contact with water (river, lake, or damp surface) the base of the flow is
Book (edition)
book is respectfully dedicated to the memory of Dr. John Sinkankas for his kind initiative and support to...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Mt. (mount or mountain), Mts. (mountains), R. (river), Is. (island), Vole. (volcano), Penin. (peninsula)...localities of magmatic origin (in the sequence North and South America and Greenland, then Europe, Asia
Report (volume)
Bibliography of North American Geology, 1970 GEOLOGICAL SURVEY BULLETIN 1370 UNITED STATES GOVERNMENT..._________________ 1 823 m BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1970 INTRODUCTION The current...current annual volume of the "Bibliography of North American Geology" lists publications that appeared during...during 1970 concerning the geology of the North American continent, Greenland, the West Indies and adjacent...in foreign journals are cited if they deal with North American localities or are of a general nature,
 
Mineral and/or Locality  
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