Skip Nav Destination
Close Modal
Oronto Group
Update search
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
NARROW
Format
Article Type
Journal
Publisher
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
North America
-
Great Lakes
-
Lake Superior (2)
-
-
Keweenawan Rift (5)
-
Lake Superior region (4)
-
-
United States
-
Iowa (2)
-
Kansas (1)
-
Michigan
-
Michigan Upper Peninsula
-
Gogebic County Michigan (1)
-
Keweenaw County Michigan (1)
-
Keweenaw Peninsula (2)
-
Ontonagon County Michigan
-
White Pine Michigan (1)
-
-
-
-
Midcontinent (5)
-
Midcontinent geophysical anomaly (1)
-
Midwest (1)
-
Minnesota (2)
-
Nebraska (1)
-
Wisconsin (2)
-
-
White Pine Mine (1)
-
-
commodities
-
brines (1)
-
metal ores
-
copper ores (3)
-
silver ores (2)
-
-
mineral deposits, genesis (3)
-
mineral exploration (1)
-
petroleum (1)
-
-
elements, isotopes
-
carbon
-
C-13/C-12 (1)
-
-
isotope ratios (2)
-
isotopes
-
stable isotopes
-
C-13/C-12 (1)
-
O-18/O-16 (1)
-
S-34/S-32 (2)
-
-
-
metals
-
actinides
-
thorium (1)
-
-
alkali metals
-
rubidium (1)
-
sodium (1)
-
-
chromium (1)
-
cobalt (1)
-
hafnium (1)
-
iron (1)
-
rare earths
-
cerium (1)
-
europium (1)
-
lanthanum (1)
-
lutetium (1)
-
samarium (1)
-
scandium (1)
-
terbium (1)
-
ytterbium (1)
-
-
tantalum (1)
-
-
oxygen
-
O-18/O-16 (1)
-
-
sulfur
-
S-34/S-32 (2)
-
-
-
fossils
-
eukaryotes (1)
-
microfossils (1)
-
palynomorphs
-
acritarchs (1)
-
-
-
geochronology methods
-
paleomagnetism (1)
-
Pb/Pb (1)
-
Re/Os (2)
-
U/Pb (1)
-
-
geologic age
-
Paleozoic
-
Cambrian
-
Upper Cambrian
-
Mount Simon Sandstone (1)
-
-
-
-
Precambrian
-
Nonesuch Shale (6)
-
North Shore Volcanics (1)
-
Osler Series (1)
-
upper Precambrian
-
Proterozoic
-
Keweenawan
-
Copper Harbor Conglomerate (2)
-
Portage Lake Lava Series (2)
-
-
Mesoproterozoic
-
Freda Sandstone (2)
-
Stenian (1)
-
-
Neoproterozoic (1)
-
Oronto Group (13)
-
-
-
-
-
igneous rocks
-
igneous rocks
-
volcanic rocks (1)
-
-
-
minerals
-
silicates
-
orthosilicates
-
nesosilicates
-
zircon group
-
zircon (2)
-
-
-
-
sheet silicates
-
clay minerals
-
smectite (1)
-
-
illite (2)
-
-
-
-
Primary terms
-
absolute age (4)
-
brines (1)
-
carbon
-
C-13/C-12 (1)
-
-
clay mineralogy (1)
-
diagenesis (2)
-
epeirogeny (1)
-
faults (3)
-
geochemistry (1)
-
geophysical methods (2)
-
ground water (1)
-
heat flow (1)
-
igneous rocks
-
volcanic rocks (1)
-
-
isotopes
-
stable isotopes
-
C-13/C-12 (1)
-
O-18/O-16 (1)
-
S-34/S-32 (2)
-
-
-
metal ores
-
copper ores (3)
-
silver ores (2)
-
-
metals
-
actinides
-
thorium (1)
-
-
alkali metals
-
rubidium (1)
-
sodium (1)
-
-
chromium (1)
-
cobalt (1)
-
hafnium (1)
-
iron (1)
-
rare earths
-
cerium (1)
-
europium (1)
-
lanthanum (1)
-
lutetium (1)
-
samarium (1)
-
scandium (1)
-
terbium (1)
-
ytterbium (1)
-
-
tantalum (1)
-
-
metamorphism (1)
-
mineral deposits, genesis (3)
-
mineral exploration (1)
-
North America
-
Great Lakes
-
Lake Superior (2)
-
-
Keweenawan Rift (5)
-
Lake Superior region (4)
-
-
orogeny (1)
-
oxygen
-
O-18/O-16 (1)
-
-
paleoecology (1)
-
paleogeography (2)
-
paleomagnetism (1)
-
Paleozoic
-
Cambrian
-
Upper Cambrian
-
Mount Simon Sandstone (1)
-
-
-
-
palynomorphs
-
acritarchs (1)
-
-
paragenesis (1)
-
petroleum (1)
-
plate tectonics (2)
-
Precambrian
-
Nonesuch Shale (6)
-
North Shore Volcanics (1)
-
Osler Series (1)
-
upper Precambrian
-
Proterozoic
-
Keweenawan
-
Copper Harbor Conglomerate (2)
-
Portage Lake Lava Series (2)
-
-
Mesoproterozoic
-
Freda Sandstone (2)
-
Stenian (1)
-
-
Neoproterozoic (1)
-
Oronto Group (13)
-
-
-
-
sea-level changes (1)
-
sedimentary rocks
-
clastic rocks
-
black shale (1)
-
sandstone (2)
-
shale (1)
-
siltstone (1)
-
-
-
sedimentary structures
-
secondary structures
-
concretions (1)
-
-
-
sediments
-
marine sediments (1)
-
-
stratigraphy (1)
-
structural geology (2)
-
sulfur
-
S-34/S-32 (2)
-
-
tectonics (3)
-
United States
-
Iowa (2)
-
Kansas (1)
-
Michigan
-
Michigan Upper Peninsula
-
Gogebic County Michigan (1)
-
Keweenaw County Michigan (1)
-
Keweenaw Peninsula (2)
-
Ontonagon County Michigan
-
White Pine Michigan (1)
-
-
-
-
Midcontinent (5)
-
Midcontinent geophysical anomaly (1)
-
Midwest (1)
-
Minnesota (2)
-
Nebraska (1)
-
Wisconsin (2)
-
-
-
rock formations
-
Jacobsville Sandstone (1)
-
-
sedimentary rocks
-
sedimentary rocks
-
clastic rocks
-
black shale (1)
-
sandstone (2)
-
shale (1)
-
siltstone (1)
-
-
-
siliciclastics (1)
-
volcaniclastics (1)
-
-
sedimentary structures
-
sedimentary structures
-
secondary structures
-
concretions (1)
-
-
-
-
sediments
-
sediments
-
marine sediments (1)
-
-
siliciclastics (1)
-
volcaniclastics (1)
-
GeoRef Categories
Era and Period
Epoch and Age
Date
Availability
1-13 OF 13 RESULTS FOR
Oronto Group
Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Sort by
Journal Article
End-Mesoproterozoic (ca. 1.08 Ga) epeiric seaway of the Nonesuch Formation, Wisconsin and Michigan, USA
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 08 December 2023
GSA Bulletin (2024) 136 (7-8): 2940–2960.
Journal Article
Fluid Flow, Alteration, and Timing of Cu-Ag Mineralization at the White Pine Sediment-Hosted Copper Deposit, Michigan, USA
Simon M. Jones, Jonathan Cloutier, Anthony R. Prave, Timothy D. Raub, Eva E. Stüeken, Holly J. Stein, Gang Yang, Adrian J. Boyce
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 September 2023
Economic Geology (2023) 118 (6): 1431–1465.
Journal Article
The Nonesuch Formation Lagerstätte: a rare window into freshwater life one billion years ago
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 30 November 2020
Journal of the Geological Society (2021) 178 (2): jgs2020-133.
Journal Article
Failed rifting and fast drifting: Midcontinent Rift development, Laurentia’s rapid motion and the driver of Grenvillian orogenesis
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 29 January 2019
GSA Bulletin (2019) 131 (5-6): 913–940.
Journal Article
MACROSCOPIC STRUCTURES IN THE 1.1 Ga CONTINENTAL COPPER HARBOR FORMATION: CONCRETIONS OR FOSSILS?
Journal: PALAIOS
Publisher: SEPM Society for Sedimentary Geology
Published: 01 July 2016
PALAIOS (2016) 31 (7): 327–338.
Journal Article
The Mesoproterozoic Copperwood Sedimentary Rock-Hosted Stratiform Copper Deposit, Upper Peninsula, Michigan
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 September 2013
Economic Geology (2013) 108 (6): 1325–1346.
Journal Article
Anoxia in the terrestrial environment during the late Mesoproterozoic
Journal: Geology
Publisher: Geological Society of America
Published: 01 May 2013
Geology (2013) 41 (5): 583–586.
Journal Article
Detrital Zircon Provenance of the Mesoproterozoic Midcontinent Rift, Lake Superior Region, U.S.A.
John P. Craddock, Alex Konstantinou, Jeffrey D. Vervoort, Karl R. Wirth, Cam Davidson, Lee Finley-Blasi, Natalie A. Juda, Erin Walker
Journal: The Journal of Geology
Publisher: The University of Chicago Press
Published: 01 January 2013
The Journal of Geology (2013) 121 (1): 57–73.
Includes: Supplemental Content
Journal Article
DISTRICT-SCALE CONCENTRATION OF NATIVE COPPER LODES FROM A TECTONICALLY INDUCED THERMAL PLUME OF ORE FLUIDS ON THE KEWEENAW PENINSULA, NORTHERN MICHIGAN
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 December 2008
Economic Geology (2008) 103 (8): 1691–1694.
Journal Article
The provenance and chemical variation of sandstones associated with the Mid-continent Rift System, U.S.A.
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 October 1998
European Journal of Mineralogy (1998) 10 (5): 987–1002.
Journal Article
Illite/smectite geothermometry of the Proterozoic Oronto Group, Midcontinent Rift system
Journal: Clays and Clay Minerals
Publisher: Clay Minerals Society
Published: 01 April 1993
Clays and Clay Minerals (1993) 41 (2): 134–147.
Journal Article
Interpretation of Seismic Reflection, Gravity, and Magnetic Data Across Middle Proterozoic Mid-Continent Rift System, Northwestern Wisconsin, Eastern Minnesota, and Central Iowa
Journal: AAPG Bulletin
Publisher: American Association of Petroleum Geologists
Published: 01 March 1989
AAPG Bulletin (1989) 73 (3): 261–275.
Journal Article
Comparative Precambrian Stratigraphy and Structure Along the Mid-Continent Rift
Journal: AAPG Bulletin
Publisher: American Association of Petroleum Geologists
Published: 01 March 1986
AAPG Bulletin (1986) 70 (3): 225–238.
GeoRef Thesaurus
Oronto Group
Scope Notes: Keweenawan. Includes Freda Sandstone. May include the Copper Harbor Conglomerate. Michigan, Minnesota, and Wisconsin. Added to Thesaurus in 1989.
Broader Terms:
See Also: