Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Gallup quadrangle including results of data interpretation, significance factor profile maps, stacked profiles, and histograms.

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Shiprock quadrangle including results of data interpretation, significance factor profile maps, stacked profiles, and histograms.

From introduction: This volume contains information and survey results pertaining specifically to the Saint Johns NTMS 1:250,000 scale Quadrangle, Arizona and New Mexico, one of a group of 12 such quadrangles in Arizona, Idaho, Montana, New Mexico, South Dakota, and Washington included in an aerial radiometric and magnetic reconnaissance survey. General information concerning the instrumentation and methods used in data acquisition, processing, and interpretation is presented in Volume 1 of this final report.

From introduction: This final report .is organized in two logical sections: (a) Volume I, containing the survey description, specifications, data processing methods, interpretation methods, regional geologic review and regional survey results and (b) one volume, Volume II, for each of the three quadrangles covered by the Raton Basin Project Area. Each Volume II contains a detailed geologic summary, interpretation report, standard deviation maps, pseudo-contour maps, interpretation map, flight line and geologic base map, individual corrected profiles, computer map unit histograms and statistical tables.

Appendix containing tables to accompany a report on aerial radiometric and magnetic reconnaissance survey of St. Johns Quadrangle.

Appendix containing tables to accompany a report on an aerial gamma ray and magnetic survey in the Raton Basin in Arizona and New Mexico.

Appendix containing single-record and averaged-record data listings to accompany a report on aerial radiometric and magnetic reconnaissance of the Ritzville Quadrangle.

Tables displaying index to statistical analysis and reduced data values for each quadrangle in the survey area.

Tables displaying index to statistical analysis and reduced data values for each quadrangle in the survey area.

From abstract: The objective of the work was to define areas showing surface indications of a generally higher uranium content where detailed exploration for uranium would most likely be successful.