Geologic Unit: Oliverian
Oliverian Plutonic Suite (NH*,CT*,MA*,ME*,VT*).
Oliverian Brook, Moosilauke 15-min quadrangle, west-central Grafton Co., central NH (Billings, written commun., 1935).
Unit Name History:
Named Oliverian petrogenic cycle (Billings, 1934).
Revised to Oliverian magma series; Age modified (Billings, 1935).
Revised; Age modified (Fowler-Lunn and Kingsley, 1937; Hadley and Chapman, 1939; Chapman, 1942; Chapman, 1948).
Age modified; Extended into VT (Moore, 1949).
Revised Oliverian plutonic series; Age modified (Billings, 1955).
Revised to Oliverian Plutonic Suite; Age modified; Extended into ME (Moench and others, 1982).
Extended into CT and MA; Age modified (Leo and others, 1984).
Age modified (Moench and others, 1984).
Revised to Oliverian Gneiss; Age modified; Isotopic dating (Zartman and Leo, 1985).
Revised to Oliverian Plutonic Suite (Moench and Pankiwskyj, 1988).
Overview (Leo, 1991).
Age modified; Isotopic dating; Overview (Moench and others, 1995).
NH State Geol. Map usage; Age modified; Isotopic dating (Lyons and others, 1997).
[When referring to the Oliverian magma series of Billings (1935), please use informally. The practice of employing "series" for lithostratigraphic or lithodemic nomenclature is now regarded as improper (see ACSN, 1961, 1970; NACSN, 1983). The term "Series" is applied formally only to chronostratigraphic units.]
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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