Greg Sparkes

Project Geologist
Mineral Deposits Section
Email: gregsparkes@gov.nl.ca

Magyarosi, Z., Layne, G. and Sparkes, G.
2018: Mineral deposits of the Burin Peninsula. Geological Association of Canada-Newfoundland Section 2018 Fall Field Trip, September 21-23, 2018. Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Open File NFLD/3338.

Sparkes, G.W.
2022: Short wavelength infrared spectrometry studies of sericitic alteration zones, southern BuchansRoberts Arm Belt, Newfoundland. In Current Research. Government of Newfoundland and Labrador, Department of Industry, Energy and Technology, Geological Survey, Report 22-1, pages 85-118.

2020: Additional geochemical samples related to volcanogenic massive sulphide mineralization, Buchans‒Roberts Arm Belt, central Newfoundland (NTS map areas 12H/01 and 08). Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Open File 012H/2329, 9 pages.

2020: The style and setting of select VMS occurrences, central Buchans–Roberts Arm Belt, Newfoundland. In Current Research. Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Report 20-1, pages 207­233.

2019: Short wavelength infrared spectrometry of hydrothermal alteration zones associated with volcanogenic massive sulphide mineralization, Buchans–Roberts Arm Belt, central Newfoundland. In Current Research. Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Report 19-1, pages 97-121.

2019: Geochemical data related to uranium occurrences in Newfoundland (NTS map areas 11O/14, 16, 11P/13, 14, 12B/09, 12H/03, 04, 06, 09, 11, 1L/13, 14, 1M/04, 05). Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Open File NFLD/3373, 13 pages.

2019: Geochemical data related to volcanogenic massive sulphide mineralization, Buchans‒Roberts Arm Belt, central Newfoundland (NTS map areas 12H/01 and 08). Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Open File 012H/2293, 8 pages.

2019: Geochemical and visible/infrared spectroscopy data related to metallogenic studies of the Avalon Zone, Newfoundland (NTS map areas 1L/13, 1M/03, 07, 16, 1N/07, 2D/01, 08). Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Open File NFLD/3364, 9 pages.

2018: Preliminary investigations into the distribution of VMS-style mineralization within the central portion of the Buchans–Roberts Arm (volcanic) Belt, central Newfoundland. In Current Research. Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Report 18-1, pages 167-184.

2006: Late Neoproterozoic geology of the east coast of Conception Bay, Newfoundland Avalon Zone. In Current Research. Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Report 06-1, pages 265-279.

Sparkes, G.W. and Dunning, G.R.
2015: New U–Pb age constraints on the development of uranium mineralization within the Central Mineral Belt of Labrador. In Current Research. Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Report 15-1, pages 105-123.

Sparkes G.W., Dunning G.R., Fonkwe, M. and Langille, A.
2016: Age constraints on the formation of iron oxide-rich hydrothermal breccias of the Moran Lake area: Evidence for potential IOCG-style mineralization within the Central Mineral Belt of Labrador. In Current Research. Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Report 16-1, pages 71-90.

Sparkes, G.W., Dunning, G.R. and Langille, A.
2017: The Michelin deposit: An example of albitite-hosted uranium mineralization within the Central Mineral Belt of Labrador. In Current Research. Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Report 17-1, pages 219-238.

2017: Geochemical data from the Central Mineral Belt of Labrador (NTS map areas 13J/09, 10, 12, 13, 14, 15; 13K/02, 03, 05, 06, 07, 09, 10, 11, 14; 13O/03, 04). Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Open File LAB/1692, 209 pages.

2017: Uranium mineralization within the Central Mineral Belt of Labrador: A summary of the diverse styles, settings and timing of mineralization. Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, St. John’s, Open File LAB/1684, 198 pages.

Sparkes, G.W., Ferguson, S.A., Layne, G.D., Dunning, G.R., O’Brien, S.J. and Langille, A.
2016: The nature and timing of Neoproterozoic high-sulphidation gold mineralization from the Newfoundland Avalon Zone: Insights from new U–Pb ages, ore petrography and spectral data from the Hickey’s Pond prospect. In Current Research. Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Report 16-1, pages 91-116.

Sparkes, G.W., Ferguson, S. and Sandeman, H.A.I.
2015: Visible/infrared spectroscopy data from Neoproterozoic epithermal systems of the western Avalon Zone (NTS map areas 2C/12, 13; 2D/1, 8, 9; 1L/13; 1M/3, 6, 7, 9, 10, 11, 15, 16), Newfoundland. Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Open File NFLD/3266.

Sparkes, G.W., Hamilton, M.A. and Dunning, G.R.
2021: Age constraints on VMS mineralization, central Buchans–Roberts Arm Belt, Newfoundland. In Current Research. Government of Newfoundland and Labrador, Department of Industry, Energy and Technology, Geological Survey, Report 21-1, pages 49-64.

Sparkes, G.W., O’Brien, S.J. and Dunning, G.R.
2007: Preliminary notes on some geochemical characteristics of plutonic and volcanic suites in the region between Manuels and Cape St. Francis, Avalon Peninsula, eastern Newfoundland. In Current Research. Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Report 07-1, pages 179-195.

Sparkes, G.W., O’Brien, S.J., Dunning, G.R. and Dube, B.
2005: U–Pb geochronological constraints on the timing of magmatism, epithermal alteration and low-sulphidation gold mineralization, eastern Avalon Zone, Newfoundland. In Current Research. Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Report 05-1, pages 115-130.

Sparkes, G.W. and Sandeman, H.A.I.
2015: Geochemical data from the western Avalon Zone (NTS map areas 2D/1, 2, 7, 9, 10, 15, 16; 1L/13, 14; 1M/3, 4, 6, 7, 9, 10, 11, 15, 16), Newfoundland. Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Open File NFLD/3265.