팔로우
Brad Cramer
Brad Cramer
Associate Professor of Earth and Environmental Sciences, University of Iowa
uiowa.edu의 이메일 확인됨 - 홈페이지
제목
인용
인용
연도
The silurian period
MJ Melchin, PM Sadler, BD Cramer
Geologic time scale 2020, 695-732, 2020
3252020
Revised correlation of Silurian Provincial Series of North America with global and regional chronostratigraphic units and δ13Ccarb chemostratigraphy
BD Cramer, CE Brett, MJ Melchin, P Männik, MA Kleffner, PI McLaughlin, ...
Lethaia 44 (2), 185-202, 2011
2562011
Sequestration of 12C in the deep ocean during the early Wenlock (Silurian) positive carbon isotope excursion
BD Cramer, MR Saltzman
Palaeogeography, Palaeoclimatology, Palaeoecology 219 (3-4), 333-349, 2005
1522005
Carbon Isotope Stratigraphy
BD Cramer, I Jarvis
Geologic Time Scale 2020, 309-343, 2020
1192020
Fluctuations in epeiric sea carbonate production during Silurian positive carbon isotope excursions: A review of proposed paleoceanographic models
BD Cramer, MR Saltzman
Palaeogeography, Palaeoclimatology, Palaeoecology 245 (1-2), 37-45, 2007
1112007
U-Pb (zircon) age constraints on the timing and duration of Wenlock (Silurian) paleocommunity collapse and recovery during the “Big Crisis”
BD Cramer, DJ Condon, U Söderlund, C Marshall, GJ Worton, AT Thomas, ...
Geological Society of America Bulletin 124 (11-12), 1841-1857, 2012
1012012
Testing the limits of Paleozoic chronostratigraphic correlation via high-resolution (< 500 ky) integrated conodont, graptolite, and carbon isotope (δ13Ccarb …
BD Cramer, DK Loydell, C Samtleben, A Munnecke, D Kaljo, P Männik, ...
Geological Society of America Bulletin 122 (9-10), 1700-1716, 2010
992010
The late Wenlock Mulde positive carbon isotope (δ13Ccarb) excursion in North America
BD Cramer, MA Kleffner, MR Saltzman
GFF 128 (2), 85-90, 2006
762006
Phanerozoic pO2 and the early evolution of terrestrial animals
SR Schachat, CC Labandeira, MR Saltzman, BD Cramer, JL Payne, ...
Proceedings of the Royal Society B: Biological Sciences 285 (1871), 20172631, 2018
682018
Early Silurian paired δ13Ccarb and δ13Corg analyses from the Midcontinent of North America: Implications for paleoceanography and paleoclimate
BD Cramer, MR Saltzman
Palaeogeography, Palaeoclimatology, Palaeoecology 256 (3-4), 195-203, 2007
662007
Record of the Late Devonian Hangenberg global positive carbon-isotope excursion in an epeiric sea setting: carbonate production, organic-carbon burial and paleoceanography …
BD Cramer, MR Saltzman, JE Day, BJ Witzke
542008
Record of the Late Devonian Hangenberg global positive carbon-isotope excursion in an epeiric sea setting: carbonate production, organic-carbon burial and paleoceanography …
BD Cramer, MR Saltzman, JE Day, BJ Witzke
Geological Association of Canada, Special Publication 48, 103-118, 2008
542008
Silurian high-resolution stratigraphy on the Cincinnati Arch: Progress on recalibrating the layer-cake
PI McLaughlin, BD Cramer, CE Brett, MA Kleffner
From the Cincinnati Arch to the Illinois Basin: Geological Field Excursions …, 2008
532008
Revision of the position of the Ordovician–Silurian boundary in southern Ontario: regional chronostratigraphic implications of δ13C chemostratigraphy of the …
SM Bergström, M Kleffner, B Schmitz, BD Cramer
Canadian Journal of Earth Sciences 48 (11), 1447-1470, 2011
442011
High-Resolution Event Stratigraphy (HiRES) and the quantification of stratigraphic uncertainty: Silurian examples of the quest for precision in stratigraphy
BD Cramer, TRA Vandenbroucke, GA Ludvigson
Earth-Science Reviews 141, 136-153, 2015
412015
Paleobiogeography, high-resolution stratigraphy, and the future of Paleozoic biostratigraphy: Fine-scale diachroneity of the Wenlock (Silurian) conodont Kockelella walliseri
BD Cramer, MA Kleffner, CE Brett, PI McLaughlin, L Jeppsson, ...
Palaeogeography, Palaeoclimatology, Palaeoecology 294 (3-4), 232-241, 2010
402010
Integrated δ13Ccarb, conodont, and graptolite biochemostratigraphy of the Silurian from the Illinois Basin and stratigraphic revision of the Bainbridge Group
NEB McAdams, BD Cramer, AM Bancroft, MJ Melchin, JA Devera, JE Day
GSA Bulletin 131 (1-2), 335-352, 2019
382019
Revised Telychian-Sheinwoodian (Silurian) stratigraphy of the Laurentian mid-continent: building uniform nomenclature along the Cincinnati Arch.
CE Brett, BD Cramer, PI McLaughlin, MA Kleffner, WJ Showers, ...
Bulletin of Geosciences 87 (4), 2012
382012
High-precision U–Pb zircon age constraints on the duration of rapid biogeochemical events during the Ludlow Epoch (Silurian Period)
BD Cramer, MD Schmitz, WD Huff, SM Bergström
Journal of the Geological Society 172 (2), 157-160, 2015
372015
A revised 87Sr/86Sr curve for the Silurian: implications for global ocean chemistry and the Silurian timescale
BD Cramer, A Munnecke, DI Schofield, KM Haase, A Haase-Schramm
The Journal of Geology 119 (4), 335-349, 2011
342011
현재 시스템이 작동되지 않습니다. 나중에 다시 시도해 주세요.
학술자료 1–20