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10100 Burnet Rd. Bldg. 130
Austin
TX
78729
US
8-5
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Paluxy Rock Mineralogy
<DIV STYLE="text-align:Left;"><P STYLE="font-size:16ptmargin:7 0 7 0;"><SPAN><SPAN>According to Owen's (1979) outcrop study of the Paluxy sand in north central Texas, the Paluxy is a quartzarenite consisting of medium to very fine quartz sand and coarse silt, with variable amounts of limonite, hematite, pyrite, and magnetite and insignificant amounts of tourmaline and feldspar. The Paluxy also contains significant amounts (as much as 50 percent in Hood, Parker, and Tarrant Counties) of clay. In general the clay fraction consists of 40 to 50 percent quartz, 5 to 25 percent feldspar, 30 to 40 percent montmorillonite, and less than 10 percent illite and kaolinite. Most of the quartz is of plutonic origin, with lesser amounts of volcanic and vein quartz.</SPAN></SPAN></P><DIV><DIV><P><SPAN /></P></DIV></DIV></DIV>
Rock Mineralogy for Cretaceous Paluxy Sand in East Texas
Owen, M. T., 1979, The Paluxy sand in north central Texas: Baylor Geological Studies, Bulletin No. 36, 36 p.
Oklahoma
Arbuckle
Paluxy
East Texas
Access constraints: Restriction Code: other restrictions; Other Constraints: Access constraints: None
See access and use constraints information.
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