Technical Report Archive & Image Library (TRAIL) - 6 Matching Results

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Beryl Resources of New Hampshire

Description: From Introduction: "The primary purpose of this work was to summarize and bring up to date the information on beryl resources as gained from investigations during 1942-45, to examine in detail certain beryl-bearing pegmatites discovered and developed in recent years, and to study other pegmatites and groups of pegmatites known or suspected to contain beryl."
Date: December 1957
Creator: Page, James J. & Larrabee, David M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Mica-Bearing Pegmatites of New Hampshire: a Preliminary Report

Description: From abstract: Mica has been mined in New Hampshire since 1803. Production from 1908 through 1939 has aggregated 13,326,990 pounds of sheet and punch mica, an annual average of 416,470 pounds. Since 1931 production has been below this average, because of economic conditions rather than depletions. The mica-bearing pegmatites of the Grafton and Keene districts occur mostly in sillimanite-mica schist adjacent to large areas of biotite gneiss. The pegmatite bodies range from a fraction of an inch … more
Date: 1942
Creator: Olson, J. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Radioactivity of the Conway Granite at Redstone, Carroll County, New Hampshire

Description: Report discussing a study on the radioactivity of red and green phase Conway granite from Redstone, New Hampshire. Information regarding the collection and measurement methods are included as well as experimental data and calculations.
Date: January 1955
Creator: Smith, W. L. & Flanagan, F. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Reconnaissance of Radioactive Rocks of Vermont, New Hampshire, Connecticut, Rhode Island and Southeastern New York

Description: From abstract: In 1948, 7,662 miles of roadside rocks and soils in Vermont, New Hampshire, Connecticut, Rhode Island, and southeastern New York were traversed with a car-mounted Geiger-Mueller counter. The observed distribution of the abnormally radioactive rocks and soils is limited to certain areas, herein called "radioactive provinces," that are separated from each other by areas of essentially nonradioactive rock.
Date: June 1951
Creator: McKeown, Frank A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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