USGS Visual Identifier

GEOLEX

Summary of Citation: Ames

Publication:
Modell, David, 1936, Ring-dike complex of the Belknap Mountains,
   New Hampshire: Geological Society of America Bulletin, v.
   47, no. 12, p. 1885-1932
Usage in Publication:
Ames monzodiorite

Modifications: Geologic Province: Dominant Lithology:
 Named
 New England province
 Monzodiorite

Summary:
Ames monzodiorite listed in chronology of White Mountain Magma series as older than Endicott diorite (new) and younger than Gilmanton monzodiorite (new). Described as gray medium-grained monzodiorite composed primarily of feldspar and hornblende, with some biotite. Suggested age is Devonian or Carboniferous.