Uranium and helium in the Panhandle gas field, Texas, and adjacent areas

Pierce, A.P.; Gott, Garland Bayard; Mytton, James W.

doi:10.3133/pp454g

Cited by 28 publications

(9 citation statements)

References 16 publications

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“…1.7). Similar 'capillary structures' have been described elsewhere (Pierce et al, 1964). Microprobe analyses indicate that the alteration rim may be brannerite {(U,Ca,Ce)(Ti,Fe)206}.…”

Section: Results: Uranium Mineralogysupporting

confidence: 72%

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Reflected-light microscopy of uraniferous bitumens

Eakin

Giże

1992

Mineral. mag.

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Uraniferous bitumens from Great Britain, Scandinavia and South Africa have been studied by oilimmersion reflected-light microscopy and categorised into those formed either by replacement of preexisting uraninite and pitchblende or by complexation/reduction mechanisms in pre-existing hydrocarbons. The former are characterised by displaying normal replacive textures, and containing high concentrations of non-mineral-bound uranium, or later, occasionally exotic, uraniferous fracturefilling phases. Uraniferous bitumens formed during complexation/reduction reactions display monotonous mineralogies and ordered mineral-inclusion distributions.Radiolytic alteration of uraniferous bitumens induces both chemical and mechanical alteration. Early alteration is marked by the generation of mobile hydrocarbons during 'cracking reactions' with subsequent within-sample migration to form globular bitumens and dendritic interspersions of mineralrich and -poor uraniferous bitumen. Mobile hydrocarbons may act as lubricants during mechanical deformation. Advanced organic alteration is characterised by well-documented increased reflectance around uraniferous grains, and by fracturing of the bitumens.

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“…1.7). Similar 'capillary structures' have been described elsewhere (Pierce et al, 1964). Microprobe analyses indicate that the alteration rim may be brannerite {(U,Ca,Ce)(Ti,Fe)206}.…”

Section: Results: Uranium Mineralogysupporting

confidence: 72%

“…Several peculiar mineral fabrics have been observed in uraniferous bitumens. For example Pierce et al (1964) described 'capillary structures' in uraniferous hydrocarbon nodules from the Panhandle gas field, U.S.A., although no explanation of the features was attempted.…”

Section: Previous Workmentioning

confidence: 99%

Reflected-light microscopy of uraniferous bitumens

Eakin

Giże

1992

Mineral. mag.

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“…The uraninite inclusions in many uraniferous hydrocarbons (e.g. Davidson and Bowie, 1951;Pierce et al, 1964), including sandstonehosted deposits (e.g. at Temple Mountain; Hawley et al, 1965) form annular arrays.…”

Section: Paragenesis Of Uranium and Hydrocarbonsmentioning

confidence: 99%

The replacement of sandstones by uraniferous hydrocarbons: significance for petroleum migration

Parnell

Eakin

1987

Mineral. mag.

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Hydrocarbons (bitumens sensu lato) in sandstones have been recorded in several instances to have partially replaced their host rock, including quartz grains. Many replacive hydrocarbons are uraniumrich: associated non-uraniferous hydrocarbons are not replacive. Uranium is transported as carbonate complexes, which may be decomposed by organic acids to yield UO22+ ions and CO2. The UOz 2 § will be absorbed onto hydrocarbons before reduction to a mineral phase, generally uraninite; and the CO2 may be aggressive towards the silicate grains of the host sandstone. Accretionary nodules of replacive uraniferous hydrocarbon in red beds (e.g. at the cores of reduction spots) can provide valuable information about petroleum migration. They occur particularly in the vicinity of faults, and may record the interactions between metal-rich groundwaters and hydrocarbons leaking along a fault from an underlying reservoir. A trial study in Devonian sandstones of Easter Ross successfully traced a hydrocarbon-bearing sandstone reservoir from an occurrence of uraniferous hydrocarbon nodules.

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“…Moreover, he showed that there is a clear relationship between the helium concentration and the distribution of the different types of hydrocarbon molecules; the highest helium concentrations occur typically in oil-gas fields and not in "dry" gas (42). In total quantity, one sees frequently more helium than could be accounted for by production fr om uranium and thorium within the sedimentary basin, and an inflow fr om elsewhere must have been re sponsible (43).…”

Section: The Geographic Distribution Of Oil Gas and Associated Tracmentioning

confidence: 99%

“…A discussion of one instance by Pierce et al (43) contains the remark: "Explaining the radiogenic argon (0.1 percent by volume) in the Panhandle field presents a problem similar to that of helium. Calculation shows that the reservoir rock would have had to be about a hundred percent potassium to supply the argon present ; the argon therefore also (like the helium) must have been derived from an external source.…”

Section: The Geographic Distribution Of Oil Gas and Associated Tracmentioning

confidence: 99%

The Origin of Natural Gas and Petroleum, and the Prognosis for Future Supplies

Gold¹

1985

Annu. Rev. Energy.

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Uranium and helium in the Panhandle gas field, Texas, and adjacent areas

Cited by 28 publications

References 16 publications

Reflected-light microscopy of uraniferous bitumens

Reflected-light microscopy of uraniferous bitumens

The replacement of sandstones by uraniferous hydrocarbons: significance for petroleum migration

The Origin of Natural Gas and Petroleum, and the Prognosis for Future Supplies

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