{
 "culture": "en-US",
 "name": "",
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 "snippet": "Rock mineralogy for Lyons Sandstone, Denver Basin",
 "description": "<DIV STYLE=\"text-align:Left;\"><DIV><DIV><P><SPAN>Most of the Lyons sandstone consists of a red diagenetic facies. The red facies which is barren of petroleum is characterized by hematite, clay, quartz overgrowths and calcite cement (Lee, 1997). Also the Lyons sandstone consist of a gray facies, distinguished from the red facies by anhydrite and dolomite cement that overlie bitumen stains and by a lack of hematite and calcite. Lyons is characterized by a well sorted quartz sandstone containing about 75% of subangular to subrounded grains of quartz, bounded together by various matrix cementing materials. Samples range from orthoquarzites to subarcosas containing plagioclase, mosvcovite and minor rock fragments.<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>",
 "summary": "Rock mineralogy for Lyons Sandstone, Denver Basin",
 "title": "Lyons Rock Mineralogy",
 "tags": [],
 "type": "",
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 "accessInformation": "Adams, J., and Patton, J., 1979, Sebkha- Dune Deposition in the Lyons Formation (Permian) Northern Front Range, Colorado: The Mountain Geologist, v.16, no. 2, p.47-57.",
 "licenseInfo": "",
 "portalUrl": ""
}