New_Brunswick_Figure_1.gif
Figure 1. Geological Map of Northern Central New Brunswick: (1) Triassic dike; (2) Pennsylvanian to Mississippian-sandstone, conglomerate, siltstone, shale, limestone; (3) Devonian-granite, quartz monzonite, granodiorite, cataclastic and migmatitic granitic to granodioritic rocks locally containing inclusions of older strata; (4) Devonian-gabbros, diabase, diorite--maybe older; (5) Devonian-shale, limestone, sandstone, minor greywacke; (6) Silurian to Ordovician-silicic and mafic volcanics, tuffs, flows, dikes, and sills; (7) Silurian and Devonian-greywacke, slates, calcareous and argillaceous sediments; (8) Ordovician-argillaceous sedimentary rocks, greywacke, quartz, conglomerate.
Adapted from Potter et al., 1979

U.S. Geological Survey

Open-File Report 82-777

Local Multi-Station Digital Recordings of
Aftershocks of the January 9th, 1982
New Brunswick Earthquake