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...and N. S. Fishman, A Basin Analysis Case Study: Morrison Formation, Grants Uranium Region, New Mexico: AAPG Studies in Geology 22, p. 35-45.</ref> ...and N. S. Fishman, A Basin Analysis Case Study: Morrison Formation, Grants Uranium Region, New Mexico: AAPG Studies in Geology 22, p. 27-33.</ref>

...ence of economic geology as it relates to common energy resources (such as uranium (nuclear minerals), coal and lignite (carbon minerals), geothermal energy ( * [[EMD Uranium Committee]]

===Uranium index=== ...soluble in water, it is commonly contained in groundwater. An increase in uranium content with respect to a shale volume (calculated from sources that are in

...igenous Clastic Depositional Systems: Applications to Petroleum, Coal, and Uranium Exploration: New York, Springer-Verlag, 438 p. Summarizes reservoir charact

...when charged particles are released by the spontaneous nuclear fission of uranium 238 in apatite crystals. The highly charged particles released by the fissi The rate of decay of uranium 238 is a time-dependent reaction; therefore, the number of fission tracks i

* [[EMD Uranium Committee]]

* Mineralogical changes such as the formation of calcite, pyrite, uranium, elemental sulfur, and certain magnetic iron oxides and sulfides

...clear power. The large nuclei of high-atomic-weight elements, particularly uranium and plutonium, can be split apart into smaller particles, a process called ...fast breeder reactors], which can generate (breed) new fuel (i.e., convert uranium 238 into plutonium) in quantities as large as, or even larger than, the amo

* [[EMD Uranium Committee]]

The common radioactive elements—potassium, thorium, and uranium—are normally insignificant in [[reservoir fluids]], whereas they are impo ...s the energy spectrum to count rates for potassium (%), thorium (ppm), and uranium (ppm). Spectral gamma ray logs are most useful in identifying the following

* [[Uranium]]

| Gamma ray (GR) or uranium (U) || High || High GR caused by U; can be linear with OM; U not always pre

...etric dating techniques that are commonly used with zircon crystals (see [[Uranium-lead dating]]), to correlate quantitative temperature measurements with spe .../> Zircon is also useful because its incorporation of other elements like Uranium, Lutetium, [[Samarium]],<ref name="Kinny and Maas Lu-Hf and Sm-Nd...">Kinny

...use of the spectral tool allows the removal of gamma ray counts caused by uranium, typically permitting more accurate use of the remaining gamma rays for det

* [[EMD Uranium Committee]]

...open hole tools#Gamma ray|Gamma-ray]] log changes in response to increased uranium concentration at exposure surfaces

...be recognized in well logs by a high gamma ray count due to glauconite or uranium if the unconformity is covered by marine clastics or basinal facies.

...called “high quality shale”, is characterized by high gamma ray (GR), high uranium (U), high acoustic (AC) and low density (DEN) (Fig. 3). Moreover, the gas-p

...pen hole or the estimation of shale volume. If the salts are predominantly uranium, their influence can be removed through the use of the spectral gamma ray.

...mma ray can be an excellent estimator of shale volume in areas with little uranium and where radioactive salts are associated primarily with clay minerals. ...reliable. It can be used with the potassium or thorium curves and with the uranium corrected total gamma ray curve from the spectral gamma ray.

* [[EMD Uranium Committee]]

* [[EMD Uranium Committee]]

...uranium to the gamma-ray response || Knowledge of potassium, thorium, and uranium variation in the rocks can be useful for evaluating mineralogy and depositi ...adiation in the rocks, much of which is emitted by the elements potassium, uranium, and thorium ([[:file:M91Ch6FG43.JPG|Figure 4]]). The geologist typically u

...lp in determining the rock constituents. If dolomite contains uranium, the uranium log is diagnostic.

...as hole size and mud weight increase; charts also available for potassium, uranium, and thorium curves.

...igenous clastic depositional systems: Applications to petroleum, coal, and uranium exploration: New York, Springer-Verlag, 489 p.</ref>

...a ray values on well logs, because the organic matter tends to concentrate uranium ions (Harper, 2008). According to studies during and after the Eastern Gas

...igenous clastic depositional systems: Applications to petroleum, coal, and uranium exploration: New York, Springer-Verlag, 423 p.</ref> were constructed for t

...rigenous clastic depositional systems applications to petroleum, coal, and uranium exploration: New York, Springer Verlag, 423 p.</ref>)

#* Leases (e.g., [[oil]] and [[Natural gas|gas]], [[coal]], [[uranium]], and surface leases)

...ed in formation evaluation models (e.g., total organic carbon [TOC] versus uranium; clay minerals versus thorium or potassium; pyrite and TOC versus bulk dens

...to particle size because of the presence of anomalous concentrations of [[uranium]]. [[Calculating Sw from the Archie equation|Water saturation]] is a functi

...ld, phosphate and copper. This explains the scourge of lung cancer amongst uranium miners, as radon is carcinogenic. Radon emitted from most rocks travel to t ...a natural resource include: South Africa, which has the largest deposit of uranium in the continent–241,000 metric tons; Niger; Namibia; Gabon; Algeria; Bot

...igenous clastic depositional systems: Applications to petroleum, coal, and uranium exploration: New York, Springer-Verlag, 489 p.</ref> Modern analogs show th

...rigenous Clastic Depositional Systems Applications to Petroleum, Coal, and Uranium Exploration: New York, Springer Verlag, 423 p.</ref> Walker,<ref name=pt06r

...igenous clastic depositional systems: Applications to petroleum, coal, and uranium exploration: New York, Springer-Verlag, 489 p.</ref>

...996). However, it can be high rarely might be due to radioactive minerals (uranium) in veins. The Photoelectric factor (PEF) of dolomite is 3.14 barns / elect

...<ref>Lewan, M. D., and B. Buchardt, 1989, Irradiation of organic matter by uranium decay in the Alum Shale, Sweden: Geochemica et Cosmochimica Acta, v. 53, p.