Concepedia
Statistics
Publications
26
Citations
1.7K
H-Index
19
Active since
1997
Affiliations
Geological Survey of Canada(Current)
Laurentian University
University of Ottawa
Royal Ontario Museum
Kwame Nkrumah University of Science and Technology
J. A. Ayer is an author at Geological Survey of Canada specializing in geology, engineering, and tectonics.
Top concepts
EngineeringGeologyTectonicsEarth SciencePetrologyGeochemistryGeographyGeochronologyStructural GeologyEconomic Geology
Publications per year
1997–2023
Evolution of the southern Abitibi greenstone belt based on U–Pb geochronology: autochthonous volcanic construction followed by plutonism, regional deformation and sedimentation
J. A. Ayer, Yuri Amelin, Fernando Corfú et al. · Precambrian Research · 2002 · 289 citations
Engineering, Greenstone Belt, U–pb Geochronology +9
Depositional Gaps in Abitibi Greenstone Belt Stratigraphy: A Key to Exploration for Syngenetic Mineralization
P. C. Thurston, J. A. Ayer, J Goutier et al. · Economic Geology · 2008 · 228 citations
Engineering, Depositional Gaps, Time Interval +13
Spatial and temporal variations in the geochemistry of komatiites and komatiitic basalts in the Abitibi greenstone belt
Rebecca Sproule, C. Michael Lesher, J. A. Ayer et al. · Precambrian Research · 2002 · 185 citations
Abitibi Greenstone Belt, Temporal Variations, Engineering +10
Niobium-enriched basalts from the Wabigoon subprovince, Canada: evidence for adakitic metasomatism above an Archean subduction zone
Derek A. Wyman, J. A. Ayer, Jonathan R. Devaney · Earth and Planetary Science Letters · 2000 · 137 citations
Engineering, Precambrian Geology, Evolutionary Biology +7
Application of GIS Processing Techniques for Producing Mineral Prospectivity Maps—A Case Study: Mesothermal Au in the Swayze Greenstone Belt, Ontario, Canada
Jeffrey R. Harris, L Wilkinson, K B Heather et al. · Natural Resources Research · 2001 · 126 citations
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