Interpretation of aeromagnetic anomalies in southeastern Missouri

Allingham, John W.

doi:10.3133/ofr76868

Cited by 6 publications

(3 citation statements)

References 5 publications

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“…An assumption is made by Moss that the magnetic expression on the map reflects primarily the lithologic and structural complexities of the Precambrian basement. This is based upon prior observations that the igneous rocks of the basement have much stronger magnetic properties than do the overlying sediments (Allingham, 1976). To a lesser degree, the magnetic map must also contain effects produced by relief in the basement surface.…”

Section: Geophysicsmentioning

confidence: 99%

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Mineral resource potential map of the Irish Wilderness Roadless Area, Oregon County, Missouri

Heyl¹,

Odland²,

Moss³

et al. 1983

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Section: Geophysicsmentioning

confidence: 99%

“…No feature on the aeromagnetic map (Moss, in press), however, is characteristic of such a source from which an intense local anomaly would be expected (Allingham, 1976).…”

Section: Geophysicsmentioning

confidence: 99%

Mineral resource potential map of the Irish Wilderness Roadless Area, Oregon County, Missouri

Heyl¹,

Odland²,

Moss³

et al. 1983

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“…No direct indicators of mineralization known. Magnetic surveys have been used extensively as an indirect prospecting tool to delineate faults and especially to detect buried Precambrian knobs (Allingham, 1976).…”

Section: Geophysical Indicatorsmentioning

confidence: 99%

Metallic mineral-resource potential of the Rolla 1° x 2° quadrangle, Missouri, as appraised in September 1980

Pratt¹

1981

Open-File Report

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Data on the mineralization, areal geology, structure, stratigraphy, sedimentary facies, petrology, trace-element geochemistry, and aeromagnetic and gravity patterns of the Rolla I°x2° quadrangle have been integrated to provide a basis for a September 1980 appraisal of the metallic mineralresource potential of the quadrangle. The appraisal method consisted of six steps:(1) Compilation of geologic, lithofacies, geochemical, and geophysical maps of the quadrangle to identify the known and inferred geologic environments present.(2) Determination of types of mineral deposits that could reasonably be expected to occur in the quadrangle on the basis of favorable geologic environments and known mineral occurrences.(3) Development of conceptual, descriptive models of the various geologic parameters that characterize these mineral-deposit types.(4) From each descriptive model, derivation of diagnostic and permissive "recognition criteria" for the occurrence or non-occurrence of that type of mineral deposit. Diagnostic criteria are those that are associated with all or nearly all known deposits and generally may be considered to be requisite to the presence of a deposit. Permissive criteria are those that are associated with enough known deposits that they may be considered to favor the presence of a deposit, although they are not required. manganese in Precambrian and sedimentary rocks, and marcasite-pyrite-hematite, residual iron, and copper deposits in sedimentary rocks, but such deposits would not be commercial in the near future because of their small size and (or) unfavorable mineralogy. The quadrangle has low potential for coastal plain-type uranium deposits, base and precious metals in Precambrian quartz veins, and massive sulfide deposits.

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Continental magnetic anomalies

Hinze¹

1979

Reviews of Geophysics

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The mapping and interpretation of magnetic anomalies provide a useful and efficient method of studying crystalline basement rocks, igneous intrusions, and extrusive rocks of the continental crust. Accordingly, government, academic, and industrial efforts have been expended during the past four years in acquiring and interpreting new data, re‐interpreting old data, and developing new techniques for the analysis of magnetic anomaly data. Magnetic anomaly interpretation continues to be a major element in mineral exploration geophysics and a small but significant part of petroleum exploration. During the past several years these techniques have assumed increasing significance in basic geologic studies, geothermal investigations, and engineering studies related to seismic regionalization and site stability problems.

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Interpretation of aeromagnetic anomalies in southeastern Missouri

Cited by 6 publications

References 5 publications

Mineral resource potential map of the Irish Wilderness Roadless Area, Oregon County, Missouri

Mineral resource potential map of the Irish Wilderness Roadless Area, Oregon County, Missouri

Metallic mineral-resource potential of the Rolla 1° x 2° quadrangle, Missouri, as appraised in September 1980

Continental magnetic anomalies

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