Reply to “Discussion of Timing and tectonic setting of Ordovician volcanic rocks of the Miramichi terrane in eastern Maine and southwestern New Brunswick” by Cees van Staal and Leslie Fyffe

Ludman, Allan; Whittaker, Amber; O'Sullivan, Paul; McFarlane, Christopher

doi:https://doi.org/10.4138/atlgeo.2025.015

Clift, P. and ODP Leg 135 scientific party. 1995. Volcanism and sedimentation in a rifting island-arc terrain: an example from Tonga, SW Pacific. In Volcanism associated with extension at consuming plate margins. Edited by J. Smellie. Geological Society of London Special Publication 81, pp. 29–51. https://doi.org/10.1144/GSL.SP.1994.081.01.03

10.1144/GSL.SP.1994.081.01.03 Google Scholar

Cohen, K., Finney, S., Gibbard, P., and Fan, J.-X. 2013. The ICS International Chronostratigraphic Chart (updated 2024). Episodes, 36, pp. 199–204. https://doi.org/10.18814/epiiugs/2013/v36i3/002

10.18814/epiiugs/2013/v36i3/002 Google Scholar

Coutts, D., Matthews, W., and Hubbard, S. 2019. Assessment of widely used methods to derive depositional ages from detrital zircon populations. Geoscience Frontiers, 10, pp. 1421–1435. https://doi.org/10.1016/j.gsf.2018.11.002

10.1016/j.gsf.2018.11.002 Google Scholar

Fyffe, L. 2001. Stratigraphy and geochemistry of Ordovician volcanic rocks of the Eel River area, west-central New Brunswick. Atlantic Geology, 37, pp. 81–101. https://doi.org/10.4138/1973

10.4138/1973 Google Scholar

Fyffe, L. and Wilson, R. 2012. An ancient volcanic environment in the Benton–Meductic area of west-central New Brunswick, Canada. New Brunswick Department of Natural Resources: Lands, Minerals, and Petroleum Division, Field Guide 5, 31 p.

Google Scholar

Fyffe, L., van Staal, C., Wilson, R., and Johnson, S. 2023a. An overview of Early Paleozoic arc systems in New Brunswick, Canada, and eastern Maine, USA. Atlantic Geoscience 59, pp. 1–28. https://doi.org/10.4138/atlgeo.2023.001

10.4138/atlgeo.2023.001 Google Scholar

Fyffe, L., Ludman, A., and McFarlane, C. 2023b. Age and tectonic significance of the Benton pluton, Eel River area, west-central New Brunswick, Canada. Atlantic Geoscience 59, pp. 87–108. https://doi.org/10.4138/atlgeo.2023.004

10.4138/atlgeo.2023.004 Google Scholar

Garza, H., Catlos, E., Chamberlain, K., Suarez, S., Brookfield, M., Stockli, D., and Batchelor, R. 2023. How old is the Ordovician–Silurian boundary at Dob's Linn, Scotland? Integrating LA-ICP-MS and CA-ID-TIMS U–Pb zircon dates. Geological Magazine, 160, pp. 1775–1789. https://doi.org/10.1017/S0016756823000717

10.1017/S0016756823000717 Google Scholar

Howard, B, Sharman, G., Crowley, J., and Wersan, E. 2024. The leaky chronometer: Evidence for systematic cryptic Pb loss in laser ablation U–Pb dating of zircon relative to CA-TIMS. Wiley Terra Nova 37, pp. 19–25. https://doi.org/10.1111/ter.12742

10.1111/ter.12742 Google Scholar

Karig, D. 1972. Remnant arcs. Geological Society of America Bulletin, 83, pp. 1057–1068. https://doi.org/10.1130/0016-7606(1972)83[1057:RA]2.0.CO;2

Google Scholar

Ludman, A. 2024. Bedrock geology of the Lincoln 1:100 000 quadrangle, Maine: Maine Geological Survey, Geologic Map 24-11, scale 1:100 000.

Google Scholar

Ludman, A. and Berry, H. 2003. Bedrock geology of the Calais 1:100 000 quadrangle, Maine; Maine Geological Survey, Open File Map 03-97. Scale 1:100 000.

Google Scholar

Ludman, A., McFarlane, C., and Whittaker, A. 2021. Chemistry, age, and tectonic setting of Miramichi terrane volcanic rocks in eastern and east-central Maine. Atlantic Geology, 57, pp. 239–273. https://doi.org/10.4138/atlgeol.2021.012

10.4138/atlgeol.2021.012 Google Scholar

Ludman, A., Wang, C., Whittaker, A., O’Sullivan, P., and McFarlane, C. 2024, Timing of Early Paleozoic volcanism in northeastern Maine: rethinking regional tectonic models. Geological Society of America, Abstracts with Programs, 56, no. 1. URL: <https//doi: 10.1130/abs/2024NE-397171> 10 September 2024.

Google Scholar

Ludman, A., Whittaker, A., O'Sullivan, P., and McFarlane, C. 2025. Timing and tectonic setting of Ordovician volcanic rocks of the Miramichi terrane, eastern Maine, USA., and southwestern New Brunswick, Canada. Atlantic Geoscience, 61, pp 77–95. https://doi.org/10.4138/atlgeo.2025.003

10.4138/atlgeo.2025.003 Google Scholar

McClenaghan, S., Lentz, D., and Fyffe, L. 2006. Chemostratigraphy of volcanic rocks hosting massive sulfide clasts within the Meductic Group, west-central New Brunswick. Exploration and Mining Geology, 15, pp. 241–261. https://doi.org/10.2113/gsemg.15.3-4.241

10.2113/gsemg.15.3-4.241 Google Scholar

McCormick, M. 2021. Geology and lithogeochemistry of the Pickett Mountain volcanogenic massive sulfide deposit, northern Maine. Unpublished Ph.D. thesis, University of Maine, Orono, Maine, 205 p.

Google Scholar

Mohammadi, N., Fyffe, L., McFarlane, C., Wilson, R., and Lentz, D. 2019. U–Pb zircon and monazite geochronology of volcanic and plutonic rocks in southwestern, central, and northeastern New Brunswick. Geological Survey of Canada, Open File 8581, 46 p. https://doi.org/10.4095/314824

10.4095/314824 Google Scholar

Rogers, N. and van Staal, C. 2003. Volcanology and tectonic setting of the northern Bathurst mining camp: Part II. Mafic volcanic constraints on back-arc opening. Economic Geology Monograph, 11, pp. 181–202. https://doi.org/10.5382/Mono.11.10

10.5382/Mono.11.10 Google Scholar

Rogers, N., Wodicka, N., McNicoll, V., and van Staal, C. 1997. U–Pb zircon ages of Tetagouche felsic volcanic rocks, northern New Brunswick: Geological Survey of Canada Current Research 1997-F, pp. 113–119. https://doi.org/10.4095/209097

10.4095/209097 Google Scholar

Shinjo, R. and Kato, Y. 2000. Geochemical constraints on the origin of bimodal magmatism at the Okinawa Trough, an incipient back-arc basin. Lithos, 54, pp. 117–137. https://doi.org/10.1016/S0024-4937(00)00034-7

10.1016/S0024-4937(00)00034-7 Google Scholar

Sullivan, R. and van Staal, C. 1993. U–Pb age of the Canoe Landing Lake Formation, Tetagouche Group, New Brunswick, in Radiogenic Age and Isotopic Studies Report 7: Geological Survey of Canada Paper 93–2, pp. 39–43. https://doi.org/10.4095/193332

10.4095/193332 Google Scholar

Sullivan, R., van Staal, C., and Langton, J.P. 1990. U–Pb zircon ages of plagiogranite and gabbro from the ophiolitic Deveraux Formation, Fournier Group, northeastern New Brunswick, in Radiogenic Age and Isotopic Studies Report 3: Geological Survey of Canada Paper 89–2, p. 119–122. https://doi.org/10.4095/129078

10.4095/129078 Google Scholar

van Staal, C. and Fyffe, L. 2025. Discussion of “Timing and tectonic setting Ordovician volcanic rocks of the Miramichi terrane in eastern Maine and southwestern New Brunswick”., pp. 331–336. https://doi.org/10.4138/atlgeo.2025.014

10.4138/atlgeo.2025.014 Google Scholar

van Staal, C., Wilson, R., Kamo, S., McClelland, W., and McNicoll, V. 2016. Evolution of the Early to Middle Ordovician Popelogan arc in New Brunswick, Canada and adjacent Maine, USA: Record of arc-trench migration and multiple phases of rifting. Geological Society of America, Bulletin, 128, pp. 122–146. https://doi.org/10.1130/B31253.1

10.1130/B31253.1 Google Scholar

Waldron, J, McCausland P., Barr S., Schofield D., Reusch, D., and Wu, L. 2022. Terrane history of the Iapetus Ocean as preserved in the northern Appalachians and western Caledonides. Earth Science Reviews, 233. Article no. 104163. https://doi.org/10.1016/j.earscirev.2022.104163

10.1016/j.earscirev.2022.104163 Google Scholar

Wang, C. 2025a. Bedrock geology of the northern half of the Beetle Mountain quadrangle, Maine. Maine Geological Survey Geologic Map 25-12, scale 1:24 000.

Google Scholar

Wang, C. 2025b. Bedrock geology of the Chase Lake quadrangle, Maine. Maine Geological Survey Geologic Map 25-13, scale 1:24 000.

Google Scholar

Appendices

Bibliography

Citation Tools

Cite this article

Export the record for this article