Geologic Unit: Albany
/Albany Porphyritic Quartz Syenite of White Mountain Plutonic-Volcanic Suite (NH*)
/Albany Quartz Syenite of White Mountain Plutonic-Volcanic Suite (NH)
Type area: town of Albany, in northern part of Carroll Co., northern NH (Williams, 1934).
Unit Name History:
[Please note: only the Lyons (1964), Eby and others (1992), Moench and others (1995), and Lyons and others (1997) references are synopsized here. The remaining references taken from US geologic names lexicons, USGS Bull. 896, 1200.]
Named Albany quartz syenite (C.R. Williams, 1934, Appalachia, v. 20, no. 4, Summer Mag. No., p. 73).
Areal limits; Included in White Mountain magma series (Alonzo Quinn, 1941, Geology of the Winnipesaukee quadrangle, NH, New Hampshire State Plan. and Devel. Comm., p. 14, geol. map; 1953, Geology of the Wolfeboro quadrangle, NH, New Hampshire State Plan. and Devel. Comm., p. 13, geol. map).
Mapped as Albany porphyritic quartz syenite of White Mountain plutonic-volcanic series (M.P. Billings, 1955, Geol. map of New Hampshire (1:250,000), USGS).
Age modified; Isotopic dating (Lyons, 1964).
Isotopic dating (Eby and others, 1992).
Age modified; Isotopic dating (Moench and others, 1995).
NH Geol. Survey usage; Revised; Age modified; Isotopic dating (Lyons and others, 1997).
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Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.
"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().
Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).
U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
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Last modified: 15-Jan-2013