Analyses of rock, stream sediment, and heavy-mineral concentrate samples from the Valdez Quadrangle, Alaska
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Open-File Report↗
Geology topics
R. J. Miller
Publications and source records attributed to R. J. Miller.
Geologic map of the Red Lookout Butte Quadrangle, Harney County, Oregon
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Open-File Report↗
Map and discussion of the metalliferous and selected nonmetalliferous mineral resources of the Talkeetna Mountains quadrangle, Alaska
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Open-File Report↗
Sedimentology of Southwestern Roads region, U.S. Virgin Islands: Origin and rate of sediment accumulation
No abstract available.
Southwestern Roads region↗
Geologic map and summary geochronology of the Valdez quadrangle, southern Alaska
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Open-File Report↗
Map and summary table describing mineral deposits in the Valdez quadrangle, southern Alaska
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Open-File Report↗
A radiographic scanning technique for cores
A radiographic scanning technique (RST) can produce single continuous radiographs of cores or core sections up to 1.5 m long and up to 30 cm wide. Changing a portable industrial X-ray unit from the normal still-shot mode to a scanning mode requires simple, inexpensive, easily constructed, and highly durable equipment. Additional components include a conveyor system, antiscatter cylinder-diaphragm, adjustable sample platform, developing tanks, and a contact printer. Complete cores, half cores, sample slabs or peels may be scanned. Converting the X-ray unit from one mode to another is easy and can be accomplished without the use of special tools. RST provides the investigator with a convenient, continuous, high quality radiograph, saves time and money, and decreases the number of times cores have to be handled.
Marine Geology↗
Analyses of geochemical samples from the Talkeetna Mountains Quadrangle, Alaska
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Open-File Report↗