Conway granite is a typically pink (or mesoperthitic) biotite granite.[1] It is amphibole-free and of coarse particle size (with portions of the rock fine-grained or porphyritic).[1]
Conway granite has a relatively high concentration of thorium, at about 56 (±6) ppm; this amount is not enough to make the granite dangerously radioactive, but it is sufficient to make the rock a low-grade (almost certainly not economic, at least in the early years) source of thorium for a thorium fuel cycle.[2]
Geologist Edward Hitchcock named the granite in 1877 after the town of Conway, New Hampshire, which is near where it is mined.[3] The Old Man of the Mountain, a famous geologic feature in New Hampshire, was made of Conway granite.[4] (The rock formation collapsed in 2003.) Conway granite is found throughout the lower areas of the central White Mountains, such as Franconia Notch, Crawford Notch, the center of the Pemigewasset Wilderness, and the Saco River valley. Other exposures of the formation include the Belknap Mountains south of Lake Winnipesaukee.[5]
^ ab"Conway Granite." Mineral Resources On-Line Spatial Data. U.S. Geological Survey. U.S. Department of the Interior. No date. Accessed 2011-03-30.
^Adams, JA; Kline, MC; Richardson, KA; Rogers, JJ (1962). "The Conway Granite of New Hampshire as a Major Low-Grade Thorium Resource". Proc. Natl. Acad. Sci. U.S.A. 48 (11): 1898–905. Bibcode:1962PNAS...48.1898A. doi:10.1073/pnas.48.11.1898. PMC 221093. PMID 16591014.
^Billings, Marland P. and Williams, Charles R. Geology of the Franconia Quadrangle, New Hampshire. Concord, N.H.: State Planning and Development Commission, 1935. p. 17.
^Hutchinson, Robert; Johnson, William; and Hamilton, Dick. The Old Man of the Mountain. San Francisco: Browntrout Publishers, 2003. p. 8.
^"New Hampshire geologic map data". U.S. Geological Survey. Retrieved January 5, 2015.
Conwaygranite is a typically pink (or mesoperthitic) biotite granite. It is amphibole-free and of coarse particle size (with portions of the rock fine-grained...
in all granites. Conwaygranite has been noted for its relatively high thorium concentration of 56±6 ppm. There is some concern that some granite sold as...
million tons within their claim. In event of a thorium fuel cycle, Conwaygranite with 56 (±6) parts per million thorium could provide a major low-grade...
Jenkins (September 1, 1933 – June 5, 1993), better known by his stage name Conway Twitty, was an American singer and songwriter. Initially a part of the 1950s...
encircled the building and its main entrance) was constructed with Conway Pink Granite for a base. The base was 13.875 feet (4.229 m) high and 3.33 feet...
on June 28, 2013. On June 30, it overran and killed 19 members of the Granite Mountain Hotshots. Just one of the hotshots on the crew survived—he was...
with Quincy since the former's 2015 acquisition of WISE and KDLH from Granite Broadcasting/Malara Broadcast Group – for $1.7 million. The deal, which...
floated over Conway Lake for processing before being hauled off by freight car to Portsmouth and other places. Together with the nearby granite from Redstone...
Hampshire at Manchester Granite State College Keene State College Plymouth State University Berlin Daily Sun Concord Monitor Conway Daily Sun Eagle Times...
The Conway Junction Railroad Turntable Site is the foundational remnants of what was once a major railroad junction in South Berwick, Maine. Consisting...
original screenplay by James Russo and a rewrite by David Grovic and Paul Conway and an inspiration of The Cat: A Tale of Feminine Redemption by Marie-Louise...
is a national memorial centered on a colossal sculpture carved into the granite face of Mount Rushmore (Lakota: Tȟuŋkášila Šákpe, or Six Grandfathers)...
the Red Hot Lovers.: 13 Beginning in 1975, Knotts was teamed with Tim Conway in a series of slapstick films aimed at children, including the Disney film...
Statistical Area Garfield 1,173 4668 Glacier 13,778 2995 Golden Valley 823 1175 Granite 3,309 1728 Hill 16,309 2896 Jefferson 12,085 1657 Helena, MT Micropolitan...
Conway Common Lands State Forest is a 568-acre (230 ha) state forest in Conway, New Hampshire, in the United States. It was organized a few years after...
company he co-founded, Granite Systems, to Cisco for $220 million. David arranged a meeting with Page and Brin and his Granite co-founder Andy Bechtolsheim...
Jurado. Her death in 2002 drew Borgnine and Conway much closer; about his acting mentor's long career, Conway said: "There were no limits to Ernie. When...
at the Golden Boot Awards. On March 28, 2007, Commandant Gen. James T. Conway made Norris an honorary United States Marine during a dinner at the commandant's...
Rijpfjorden the bedrock is made up of distinctive red-coloured granite. The Rijpfjord granite is medium grained, and contains two micas (muscovite and biotite)...