Feldspar diagenesis in the Frio Formation, Brazoria County, Texas Gulf Coast
Journal Article
·
· Geology; (United States)
Tremendous quantities of detrital feldspar have been dissolved or albitized below about 14000 ft (4267 m) in the Frio Formation (Oligocene), Chocolate Bayou Field, Brazoria County, Texas. Some sandstones no longer contain any unmodified detrital feldspar grains. Material transfer involved in these reactions is immense, affecting at least 15% of the rock volume. Thus, albitization has important implications for several other diagenetic processes that involve feldspars or their components. These processes include formation of secondary porosity, precipitation of quartz and carbonate cements, and the evolution of Na-Ca-Cl formation water.
- Research Organization:
- Univ. of Texas, Austin
- DOE Contract Number:
- AC08-79ET27111
- OSTI ID:
- 6407009
- Journal Information:
- Geology; (United States), Vol. 9:7
- Country of Publication:
- United States
- Language:
- English
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