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Journal Article

Stratigraphic setting and age of the complex Tappania -bearing Proterozoic fossil biota of Siberia

K.E. Nagovitsin, A.M. Stanevich, T.A. Kornilova
Published: 01 November 2010
Russ. Geol. Geophys. (2010) 51 (11): 1192–1198.
DOI: https://doi.org/10.1016/j.rgg.2010.10.004
...K.E. Nagovitsin; A.M. Stanevich; T.A. Kornilova Abstract A microfossil assemblage has been found in the widely spaced (300 km apart) Baikit and Katanga areas (inner Siberian Platform) in stratigraphically coeval strata in the lower part of the petroliferous Kamo Group (Riphean). It comprises...
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Journal Article

THE NEOPROTEROZOIC IN THE WEST OF THE SIBERIAN PLATFORM

V. V. Khomentovsky, K. E. Nagovitsin
Published: 01 October 1998
Russ. Geol. Geophys. (1998) 39 (10): 1366–1377.
... of the Kerpylian, Lakhandinian, and Baikalian substantiated by paleontological, historical, and geological evidence do not contradict the carbon isotope dating. A microfossil assemblage from the Dzhelindukon Formation is indicative of the Upper Riphean age of the Kamo Group. 23 11 1997 © 1999...
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View PDF for article title, THE NEOPROTEROZOIC IN THE WEST OF THE SIBERIAN PLATFORM
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Schematic paleogeologic profiles of deposits of Neoproterozoic of Yenisei-Angara SFA. Section: A — pre-Baikalian, B — Lower Baikalian, C — Middle Baikalian. 1 — conglomerates and gravelstones; 2 — sand- and siltstones; 3 — mud- and siltstones; 4 — limestones; 5 — dolomites; 6 — volcanites; 7 — tuffs; 8, 9 — Middle and Lower Riphean deposits: 8 — of platform, 9 — of oceanic block; 10 — Lower Precambrian sequences; 11 — indices of units. Middle Baikalian: Chingasan Group, Formations: č — Chivida, krr — Kar’er, lp — Lopatin; Vorogovka Group, Formations: sr — Severnaya Rechka, mt — Mutnaya, shr — Sukhaya Rechka; Upper Vorogovka Group: zh — Zakhrebetinskaya Formation; Chadobets Group (čd). Lower Baikalian: Oslyanka Group (Formations): na — Nizhnyaya Angara, dš — Dashkino, č n — Cheneul’; Upper Vorogovka Group (Formations): gv — Gorevka, sh — Sukhoi Khrebet; K3 — Upper Kamo Subgroup (Formations): tk — Tokur, ir — Iremeken. Mayanian deposits: in Kamenka and Gorbilok SFZ, Formations: pg — Pogoryui, kr — Kartochki, al — Alad’ino, kg — Krasnogorsk, dj — Dzhura, šn —Shuntar, sk — Seryi Klyuch, dd — Dadykta; in Gorbilok SFZ: pt — Potoskui (pt1, pt2 — Lower and Upper Potoskui Subformations); pr — Perekhod Formation; krg — Kirgitei Subgroup; in Kait’ba and Glushikha SFZ: kn – Konkino sequence, st — Stepanovo sequence; in Upper Vorogovka-Shilka SFZ (Formations): kvr — Kovrigino, ol — Olen’ino, lg — Lugovskaya; in Isakovka SFZ — analogs of formations of Upper Vorogovka SFZ; in Mid-Angara SFR — Kamo Group (K1, K2, K3 — Lower, Middle, and Upper Kamo Subgroup); 12–16 — lower boundaries: 12, 13 — Mayanian: 12 — Kerpyl Horizon, 13 — Lakhanda Horizon, 14 — Kirgitei Subhorizon, 15, 16 — Baikalian: 15 — Lower, 16 — Middle. Faults dividing SFR and SFZ: 17 — Isakovka, 18 — Tatarka and Ishimba, 19 — Angara-Bakhta.

Schematic paleogeologic profiles of deposits of Neoproterozoic of Yenisei-A...

Published: 01 January 2008
Vorogovka SFZ; in Mid-Angara SFR — Kamo Group (K 1 , K 2 , K 3 — Lower, Middle, and Upper Kamo Subgroup); 12–16 — lower boundaries: 12, 13 — Mayanian: 12 — Kerpyl Horizon, 13 — Lakhanda Horizon, 14 — Kirgitei Subhorizon, 15, 16 — Baikalian: 15 — Lower, 16 — Middle. Faults dividing SFR
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Schematic paleogeological profiles of Neoproterozoic pre-Late Baikalian-Vendian deposits. A — Bol’shoi Pit, B — Oslyanka, and C — Chingasan slices. 1 — conglomerates and gravelstones; 2 — sandstones, siltstones; 3 — mudstones, siltstones; 4 — limestones; 5 — dolomites; 6 — volcanitc; 7 — tuffs; 8, 9 — Middle-and Lower Riphean deposits of continental (8) and oceanic (9) blocks; 10 — Lower Precambrian units; 11 — indices of units (Middle Baikalian:) Chingasan Group, formations: cv — Chivida, krr — Kar’er, lp — Lopatin; Vorogovka Group, formations: sr — Severnaya Reka, mt — Mutnaya, shr — Sukhaya Reka; Upper Vorogovka Group: zh — Zakhrebetinskaya Formation; Chadobets Group (cd); Lower Baikalian — Oslyanka Group, formations: na — Nizhnyaya Angara, ds — Dashka, cn — Chineul; Upper Vorogovka Group, formations: gr — Gorevka, sh — Sukhoi Khrebet; K3 — Upper Kamo Subgroup, formations: tk — Tokur, ir — Iremeken; Mayanian deposits: Bol’shoi Pit Group in Kamenka SFZ, formations: pg — Pogoryui, kr — Kartochka, al — Alad’in, kg — Krasnaya Gorka, dj — Dzhura, sk — Seryi Klyuch, dd — Dadykta; in Gorbilok SFZ: pt — Potoskui Formation, pt1 — Lower Potoskui Subformation, pt2 — Upper Potoskui Subformation, pr — Perekhodnaya Formation; krg — Kirgitei Subgroup, in Kait’ba SFZ: kn — Konka sequence, st — Stepanov sequence; in Upper Vorogovka SFZ, formations: kvr — Kovriga, ol — Olen’ya, lg — Lugovaya; in Isakovka SFZ — analogs of formation in Upper Vorogovka SFZ; in Mid-Angara SFR: K — Kamo Group; K1, K2, and K3 — subgroups (detailed in Fig. 3); 12–16 — lower boundaries: 12 — Kerpylian horizon, 13 — Lakhandinian horizon, 14 — Kirgitei subhorizon, 15, 16 — Baikalian: 15 — Lower, 16 — Middle; 17–19 — faults separating SFZ and SFR: 17 — Isakovka, 18 — Tatarka and Ishimba, 19 — Angara-Bakhta.

Schematic paleogeological profiles of Neoproterozoic pre-Late Baikalian-Ven...

Published: 01 September 2007
Reka, mt — Mutnaya, shr — Sukhaya Reka; Upper Vorogovka Group: zh — Zakhrebetinskaya Formation; Chadobets Group (cd); Lower Baikalian — Oslyanka Group, formations: na — Nizhnyaya Angara, ds — Dashka, cn — Chineul; Upper Vorogovka Group, formations: gr — Gorevka, sh — Sukhoi Khrebet; K 3 — Upper Kamo
Journal Article

Petroleum Potential and Organic-Matter–Oil Correlation in the Rocks of the Upper Riphean Iremeken Formation in the Kamo Arch of the Baikit Anteclise (Siberian Platform)

L.N. Boldushevskaya, S.V. Fadeeva, I.V. Goncharov, P.V. Trushkov, V.V. Samoilenko, M.A. Veklich, N.B. Krasil’nikova, D.M. Savchik, G.U. Rudaya, A.B. Turova, Yu.L. Nikolaeva
Published: 01 January 2024
Russ. Geol. Geophys. (2024) 65 (1): 98–110.
DOI: https://doi.org/10.2113/RGG20234656
... an unordinary group hydrocarbon composition of extracts from the OM and oils and low contents of cheilanthanes and steranes in them. Within the Kamo arch, the Upper Riphean Iremeken OM-enriched deposits with a high petroleum potential might have reached the peak of petroleum generation only in the deepest part...
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View PDF for article title, Petroleum Potential and Organic-Matter–Oil Correlation in the Rocks of the Upper Riphean Iremeken Formation in the <span class="search-highlight">Kamo</span> Arch of the Baikit Anteclise (Siberian Platform)
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Eukaryotic diversity of contemporaneous successions of late Paleoproterozoi...

Published: 01 November 2021
and Dzhelindukon formations McMinn, Velkerri, Corcoran, Jalboi, Crawford and Mainoru formations Avadh and Sarda formations Billyakh Group Kamo Group Roper Group Bahraich Group Siberia Siberia Australia India 1513 ± 51 to 1459±10 1499 ± 43 to 1060 ± 20 Ma 1492 ± 4 to 1361 ± 21 Ma ca. 1350
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Figure 7. Distribution of late Neoproterozoic rift-related magmatic rocks within the miogeocline of the Appalachian orogen. Abbreviations: HH—Hare Hill Granite; LRD—Long Range dikes; LSP—Lady Slipper pluton; MB—Mutton Bay; MG—Maquereau Group; MS—Mount de St–Anselme Formation; RPG—Round Pond Granite; SKV—Skinner Cove Formation; SG—Shickshock Group; YG/ PRG—Yonkers Gneiss and Pound Ridge Granite. Sources for age data: Adirondack Massif—Heizler and Harrison (1998); Callander Complex—Kamo et al. (1995); Catoctin Formation—Aleinikoff et al. (1995); Crossmone Pluton—Su et al. (1994); Hare Hill Granite— van Berkel and Currie (1988); Long Range dikes—Kamo et al. (1989) and Stukas and Reynolds (1974); Mount Rigaud intrusion— Malka et al. (1996); Mount Rogers—Aleinikoff et al. (1991, 1995); Pinney Hollow Formation—Walsh and Aleinikoff (1999); Robertson River Formation—Lukert and Banks (1984); Round Pond Granite—Williams et al. (1985); Sept Iles—Higgins and van Breeman (1998); Tibbit Hill Formation—Kumarapeli et al. (1989); Yonkers Gneiss and Pound Ridge Granite—Rankin et al. (1997). Errors are given at the two sigma level

Figure 7. Distribution of late Neoproterozoic rift-related magmatic rocks w...

Published: 01 April 2001
; SKV—Skinner Cove Formation; SG—Shickshock Group; YG/ PRG—Yonkers Gneiss and Pound Ridge Granite. Sources for age data: Adirondack Massif— Heizler and Harrison (1998) ; Callander Complex— Kamo et al. (1995) ; Catoctin Formation— Aleinikoff et al. (1995) ; Crossmone Pluton— Su et al. (1994) ; Hare Hill
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Tonalitic migmatite-gneiss xenolith (ca. 3300 Ma; Kamo and Davis, 1994) in homogeneous granodiorite of the Nelspruit Batholith near Hazyview, 70 km north of the BGB. The xenolith is representative of at least some older granitoid terrane beneath the batholith that may have acted as provenance for the granitoid clasts in the basal conglomerate of the Moodies Group along the northern rim of the Eureka Syncline. Photograph after Robb (1977) and Robb et al. (2006).

Tonalitic migmatite-gneiss xenolith (ca. 3300 Ma; Kamo and Davis, 1994 ) i...

Published: 01 December 2019
Figure 5. Tonalitic migmatite-gneiss xenolith (ca. 3300 Ma; Kamo and Davis, 1994 ) in homogeneous granodiorite of the Nelspruit Batholith near Hazyview, 70 km north of the BGB. The xenolith is representative of at least some older granitoid terrane beneath the batholith that may have acted
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(A) Tuff ages of the Fig Tree Group in the Barberton Greenstone Belt in South Africa (Kröner et al., 1991; Byerly et al., 1996; Kohler and Anhaeusser, 2002; Kamo and Davis, 1994; de Ronde et al., 1991a; Lowe et al., 2014; Heubeck et al., 2013; this study). Reference numbers refer to those listed in Supplemental File S2 (see footnote 1). (B) Rare earth elements (REE) normalized to chondrite of felsic tuffs and tuffaceous rocks from the Fig Tree Group. Tuff sample from the Graywacke Hill shows a steep slope similar to dacitic volcanic rocks. Tuff sample from the Remote Belt shows a relatively flat heavy-REE pattern, more likened to rhyolite or rhyodacites. Bien Venue Formation samples from Drabon et al. (2019a). Fm.—Formation.

(A) Tuff ages of the Fig Tree Group in the Barberton Greenstone Belt in Sou...

Published: 09 September 2021
Figure 2. (A) Tuff ages of the Fig Tree Group in the Barberton Greenstone Belt in South Africa ( Kröner et al., 1991 ; Byerly et al., 1996 ; Kohler and Anhaeusser, 2002 ; Kamo and Davis, 1994 ; de Ronde et al., 1991a ; Lowe et al., 2014 ; Heubeck et al., 2013 ; this study). Reference
Journal Article

GEODYNAMIC AND DEPOSITIONAL CONDITIONS OF RIPHEAN PETROLEUM COMPLEX FORMATION ON THE WESTERN MARGIN OF THE SIBERIAN PALEOCONTINENT

V. S. Surkov, V. P. Korobeinikov, S. V. Krylov, M. P. Grishin, B. G. Kraevsky, A. I. Larichev
Published: 01 August 1996
Russ. Geol. Geophys. (1996) 37 (8): 145–155.
... by two-dimensional seismic tomography [ 1 ]. The stratigraphic content of the investigated portion of the Riphean section is represented by the Kamo Group, consisting of dolomites with horizons of clayey rocks, assigned to a dolomitic Riphoid formation. A peculiarity of the contemporary structure...
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View PDF for article title, GEODYNAMIC AND DEPOSITIONAL CONDITIONS OF RIPHEAN PETROLEUM COMPLEX FORMATION ON THE WESTERN MARGIN OF THE SIBERIAN PALEOCONTINENT
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Map of eastern North America showing a representation of the rift axis along the Laurentian margin (after Thomas 1977; Thomas and Whiting 1995), the Blair River inlier (BRI) in northern Cape Breton Island (CBI), Nova Scotia, and areas of Neoproterozoic rift-related igneous rocks, modified after Cawood et al. (2001). Gray regions represent the inferred locations of Laurentian crustal blocks that may have been removed from the margin following Iapetus rifting. Inferred rift axes are marked by heavy gray lines separated by thin lines representing transform faults. Thick dashed line is the extent of late Paleozoic deformation, mainly thin-skinned thrust faults, which marks the Appalachian structural front. Other abbreviations: CG, Caldwell Group; CR, Chaudiere River nappe; HH, Hare Hill Granite; LRD, Long Range dikes; LSP, Lady Slipper pluton; MG, Maquereau Group; MS, Mount de St. Anselme Formation; PH, Pinney Hollow; RPG, Round Pond Granite; SKV, Skinner Cove Formation; SG, Shickshock Group; SLP, St. Lawrence Promontory; TH, Tibbet Hill; YG/PRG, Yonkers gneiss/Pound Ridge granite. Sources for age data: Adirondack Massif, Heizler and Harrison (1998); Callander Complex and Grenville dike swarm, Kamo et al. (1995); Catoctin Formation, Aleinikoff et al. (1995); Crossnore Pluton, Su et al. (1994), Fetter and Goldberg (1995); Hare Hill Granite, van Berkel and Currie (1988); Lady Slipper pluton, Cawood et al. (1996); Long Range dikes, Kamo et al. (1989); Mechum River, Tollo and Hutson (1996); Mount Rigaud intrusion, Malka et al. (2000); Mount Rogers, Aleinikoff et al. (1991, 1995); Pinney Hollow Formation, Walsh and Aleinikoff (1999); Precordillera, Davis et al. (2000); Robertson River batholith, Tollo and Aleinikoff (1996); Round Pond Granite, Williams et al. (1985); Sept Iles, Higgins and van Breeman (1998); Skinner Cove Formation, Cawood et al. (2001); Southern Oklahoma aulacogen, Hogan and Gilbert (1998); Tibbit Hill Formation, Kumarapeli et al. (1989); Yonkers Gneiss and Pound Ridge Granite, Rankin et al. (1997).

Map of eastern North America showing a representation of the rift axis alon...

Published: 01 May 2004
is the extent of late Paleozoic deformation, mainly thin-skinned thrust faults, which marks the Appalachian structural front. Other abbreviations: CG , Caldwell Group; CR , Chaudiere River nappe; HH , Hare Hill Granite; LRD , Long Range dikes; LSP , Lady Slipper pluton; MG , Maquereau Group; MS , Mount
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Features of the three different granite groups described in this paper: (A) TTG suite – contact between an older (3 460 Ma) compositionally-banded trondhjemite gneiss (right) intruded by a younger (3 201-3 237 Ma) less-foliated trondhjemite (left) on the farm Theeboom, 20 km due east of Badplaas; (B) The northern margin of the tabular 3 107 Ma Mpuluzi batholith (part of the GMS suite) showing its relationship to the lower-lying, more easily eroded, TTG suite east of Badplaas; (C) Tonalitic gneiss xenolith (dated at 3 304 Ma) in granodiorite of the 3 106 Ma Nelspruit Batholith near Hazyview, 70 km north of the BGB; and (D) The central tor of the 2 740 Ma Mpageni (high-Ca) granite intruded into lower lying terrane underlain by the marginal migmatitic phases of the Nelspruit batholith. Ages quoted are from Kamo and Davis, 1994; photos A. and B. are courtesy of Carl Anhaeusser.

Features of the three different granite groups described in this paper: ( A...

Published: 01 March 2021
Figure 3. Features of the three different granite groups described in this paper: ( A ) TTG suite – contact between an older (3 460 Ma) compositionally-banded trondhjemite gneiss (right) intruded by a younger (3 201-3 237 Ma) less-foliated trondhjemite (left) on the farm Theeboom, 20 km due east
Journal Article

The Upper Riphean of the Yenisei Range

V.V. Khomentovsky
Published: 01 September 2007
Russ. Geol. Geophys. (2007) 48 (9): 711–720.
DOI: https://doi.org/10.1016/j.rgg.2007.08.002
... Reka, mt — Mutnaya, shr — Sukhaya Reka; Upper Vorogovka Group: zh — Zakhrebetinskaya Formation; Chadobets Group (cd); Lower Baikalian — Oslyanka Group, formations: na — Nizhnyaya Angara, ds — Dashka, cn — Chineul; Upper Vorogovka Group, formations: gr — Gorevka, sh — Sukhoi Khrebet; K 3 — Upper Kamo...
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Journal Article

A Laurentian record of the earliest fossil eukaryotes

Zachary R. Adam, Mark L. Skidmore, David W. Mogk, Nicholas J. Butterfield
Journal: Geology
Published: 01 May 2017
Geology (2017) 45 (5): 387–390.
DOI: https://doi.org/10.1130/G38749.1
... assemblage of distinctive microfossils from China (Ruyang Group; Yin, 1997 ; Yin et al., 2005 ), Australia (Roper Group; Javaux et al., 2001 ; Javaux and Knoll, 2016), India (Semri Group; Prasad et al., 2005 ), and Siberia (Kamo Group; Nagovitsin, 2009 ) points to the presence of an ecologically...
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Journal Article

The petroleum accumulation zones in the geological-prospecting regions of the Lena–Tunguska province

N.V. Mel’nikov, N.P. Mel’nikov, E.V. Smirnov
Published: 01 August 2011
Russ. Geol. Geophys. (2011) 52 (8): 906–916.
DOI: https://doi.org/10.1016/j.rgg.2011.07.012
... of the Kamo arch. The main petroliferous complex occurs in the Riphean strata ( Kontorovich et al., 1988 ). The YuT PAZ was outlined according to several criteria ( Fig. 2 ). The main criterion is the field of occurrence of thick Riphean light gray carbonate (mainly dolomite) strata of the Kamo Group...
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Journal Article

Salinic thrust panels, mélanges, and folds with superimposed Acadian oblique cleavage-fold relationships in accreted Ordovician oceanic rocks of the Fournier Supergroup and Silurian synorogenic cover rocks in northern New Brunswick, Canada

C.R. van Staal, R.A. Wilson, N. Hayward
Journal: GSA Bulletin
Published: 20 March 2025
GSA Bulletin (2025)
DOI: https://doi.org/10.1130/B38067.1
... and Kamo, 2012; Wilson et al., 2015). Older unconformable relationships exist between the Devereaux panel and the Rhuddanian (lowermost Llandovery) poorly sorted sandstone of the Duncans Brook Formation of the Quinn Point Group (Fig. 4). The unconformities mainly record progressive latest Ordovician...
View PDF for article title, Salinic thrust panels, mélanges, and folds with superimposed Acadian oblique cleavage-fold relationships in accreted Ordovician oceanic rocks of the Fournier Supergroup and Silurian synorogenic cover rocks in northern New Brunswick, Canada
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Journal Article

Mayanian (1100–850 Ma) – Prebaikalian Upper Riphean of Siberia

V.V. Khomentovsky, K.E. Nagovitsin, A.A. Postnikov
Published: 01 January 2008
Russ. Geol. Geophys. (2008) 49 (1): 1–22.
DOI: https://doi.org/10.1016/j.rgg.2007.12.001
... Vorogovka SFZ; in Mid-Angara SFR — Kamo Group (K 1 , K 2 , K 3 — Lower, Middle, and Upper Kamo Subgroup); 12–16 — lower boundaries: 12, 13 — Mayanian: 12 — Kerpyl Horizon, 13 — Lakhanda Horizon, 14 — Kirgitei Subhorizon, 15, 16 — Baikalian: 15 — Lower, 16 — Middle. Faults dividing SFR...
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SHRIMP U-Pb zircon ages of granitoids from the Western Domain of the Kaapvaal Craton, Southeastern Botswana: implications for crustal evolution

R.B.M. Mapeo, R.A. Armstrong, A.B. Kampunzu, L.V. Ramokate
Published: 01 June 2004
South African Journal of Geology (2004) 107 (1-2): 159–172.
DOI: https://doi.org/10.2113/107.1-2.159
... ; Kamo and Davis, 1994 ; Dann, 2000 ; Kröner et al. , 1992 ); (2) welding of continental fragments to produce the current Kaapvaal Craton between ~3.1 to ~2.9 Ga; (3) accretion of composite terrains along the northern and western margins of the Craton at ~2.9 to ~2.7 Ga and continent-continent...
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View PDF for article title, SHRIMP U-Pb zircon ages of granitoids from the Western Domain of the Kaapvaal Craton, Southeastern Botswana: implications for crustal evolution
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U–Pb and Hf isotope data of detrital zircons from the Barberton Greenstone Belt: constraints on provenance and Archaean crustal evolution

Armin Zeh, Axel Gerdes, Christoph Heubeck
Published: 01 January 2013
Journal of the Geological Society (2013) 170 (1): 215–223.
DOI: https://doi.org/10.1144/jgs2011-162
..., conformably underlying the Moodies Group. These volcanic rocks yielded ages of 3.224 ± 0.006 Ga ( Kröner & Todt 1988 ), 3.225 ± 0.003 Ga ( Kröner et al . 1991 ), and 3.226 ± 0.001 Ga ( Kamo & Davis 1994 ). In contrast, the end of Moodies deposition is less well constrained. The postkinematic...
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View PDF for article title, U–Pb and Hf isotope data of detrital zircons from the Barberton Greenstone Belt: constraints on provenance and Archaean crustal evolution
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Journal Article

The Krogh revolution: advances in the measurement of time This article is the Introduction to a series of papers published in this Special Issue on the theme of Geochronology in honour of Tom Krogh.

Sandra L. Kamo, Fernando Corfu, Larry M. Heaman, Desmond E. Moser
Published: 23 February 2011
Canadian Journal of Earth Sciences (2011) 48 (2): 87–94.
DOI: https://doi.org/10.1139/E11-003
...Sandra L. Kamo; Fernando Corfu; Larry M. Heaman; Desmond E. Moser Abstract Tom Krogh revolutionized the field of precise U–Pb geochronology through a series of ground-breaking technical advances in the 1970s and 1980s that changed our investigative approach to understanding geologic processes...
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