Skip Nav Destination
Close Modal
RESULTS FOR
Whundo 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
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Southern Africa
-
Barberton greenstone belt (2)
-
Kaapvaal Craton (4)
-
South Africa
-
Mpumalanga South Africa
-
Barberton Mountain Land (1)
-
-
-
-
Zimbabwe Craton (1)
-
-
Arctic region
-
Greenland (1)
-
-
Asia
-
Far East
-
China
-
North China Platform (2)
-
-
-
Himalayas (1)
-
Indian Peninsula
-
India
-
Andhra Pradesh India (1)
-
Dharwar Craton (2)
-
Karnataka India (1)
-
Singhbhum shear zone (1)
-
-
-
Indus-Yarlung Zangbo suture zone (1)
-
Qiangtang Terrane (1)
-
-
Australasia
-
Australia
-
Western Australia
-
Eastern Goldfields (1)
-
Hamersley Basin (1)
-
North Pole Deposit (1)
-
Pilbara (1)
-
Pilbara Craton (6)
-
Yilgarn Craton (2)
-
-
-
-
Canada (1)
-
North America
-
Canadian Shield
-
Slave Province (1)
-
Superior Province
-
Abitibi Belt (1)
-
Wawa Belt (1)
-
-
-
-
-
commodities
-
barite deposits (1)
-
metal ores
-
antimony ores (1)
-
base metals (1)
-
copper ores (4)
-
gold ores (6)
-
iron ores (1)
-
lithium ores (1)
-
nickel ores (3)
-
palladium ores (1)
-
platinum ores (2)
-
tantalum ores (2)
-
tin ores (2)
-
titanium ores (1)
-
vanadium ores (1)
-
zinc ores (1)
-
-
mineral deposits, genesis (4)
-
mineral exploration (2)
-
mineral resources (1)
-
placers (1)
-
-
elements, isotopes
-
carbon
-
C-13/C-12 (1)
-
-
chemical ratios (1)
-
isotope ratios (5)
-
isotopes
-
radioactive isotopes
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
-
stable isotopes
-
C-13/C-12 (1)
-
Nd-144/Nd-143 (3)
-
O-18/O-16 (2)
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
Sr-87/Sr-86 (1)
-
-
-
large-ion lithophile elements (1)
-
metals
-
alkaline earth metals
-
strontium
-
Sr-87/Sr-86 (1)
-
-
-
lead
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
-
niobium (1)
-
platinum group
-
palladium ores (1)
-
platinum ores (2)
-
-
precious metals (1)
-
rare earths
-
neodymium
-
Nd-144/Nd-143 (3)
-
-
-
-
oxygen
-
O-18/O-16 (2)
-
-
-
geochronology methods
-
Ar/Ar (2)
-
K/Ar (1)
-
Pb/Pb (1)
-
Re/Os (1)
-
Sm/Nd (2)
-
U/Pb (4)
-
-
geologic age
-
Cenozoic
-
Tertiary
-
Paleogene
-
Eocene (1)
-
-
-
-
Paleozoic
-
Permian
-
Lower Permian (1)
-
Middle Permian (1)
-
-
Silurian (1)
-
-
Phanerozoic (5)
-
Precambrian
-
Archean
-
Eoarchean (2)
-
Mesoarchean (2)
-
Neoarchean (4)
-
Paleoarchean (4)
-
Warrawoona Group (2)
-
-
Fortescue Group (1)
-
Hadean (4)
-
Onverwacht Group (1)
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic (1)
-
Neoproterozoic (1)
-
Paleoproterozoic (1)
-
Sinian
-
Xiong'er Group (1)
-
-
-
-
-
-
igneous rocks
-
igneous rocks
-
plutonic rocks
-
diorites
-
tonalite (1)
-
trondhjemite (1)
-
-
granites (5)
-
granodiorites (1)
-
pegmatite (1)
-
ultramafics (1)
-
-
volcanic rocks
-
adakites (2)
-
andesites
-
boninite (1)
-
-
basalts
-
mid-ocean ridge basalts (3)
-
ocean-island basalts (1)
-
-
dacites (1)
-
komatiite (2)
-
rhyolites (2)
-
-
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (1)
-
metasedimentary rocks
-
metachert (1)
-
-
quartzites (2)
-
-
-
meteorites
-
meteorites (1)
-
-
minerals
-
minerals (1)
-
organic minerals (1)
-
oxides
-
cassiterite (1)
-
iron oxides (1)
-
niobates (1)
-
tantalates
-
tantalite (1)
-
-
-
silicates
-
chain silicates
-
amphibole group
-
clinoamphibole
-
hornblende (1)
-
-
-
-
orthosilicates
-
nesosilicates
-
titanite group
-
titanite (1)
-
-
zircon group
-
zircon (1)
-
-
-
-
sheet silicates
-
clay minerals (1)
-
-
-
sulfides
-
galena (1)
-
-
-
Primary terms
-
absolute age (6)
-
Africa
-
Southern Africa
-
Barberton greenstone belt (2)
-
Kaapvaal Craton (4)
-
South Africa
-
Mpumalanga South Africa
-
Barberton Mountain Land (1)
-
-
-
-
Zimbabwe Craton (1)
-
-
Arctic region
-
Greenland (1)
-
-
Asia
-
Far East
-
China
-
North China Platform (2)
-
-
-
Himalayas (1)
-
Indian Peninsula
-
India
-
Andhra Pradesh India (1)
-
Dharwar Craton (2)
-
Karnataka India (1)
-
Singhbhum shear zone (1)
-
-
-
Indus-Yarlung Zangbo suture zone (1)
-
Qiangtang Terrane (1)
-
-
atmosphere (2)
-
Australasia
-
Australia
-
Western Australia
-
Eastern Goldfields (1)
-
Hamersley Basin (1)
-
North Pole Deposit (1)
-
Pilbara (1)
-
Pilbara Craton (6)
-
Yilgarn Craton (2)
-
-
-
-
barite deposits (1)
-
Canada (1)
-
carbon
-
C-13/C-12 (1)
-
-
Cenozoic
-
Tertiary
-
Paleogene
-
Eocene (1)
-
-
-
-
crust (9)
-
data processing (1)
-
diagenesis (1)
-
Earth (4)
-
education (1)
-
extraterrestrial geology (1)
-
faults (1)
-
folds (1)
-
geochemistry (7)
-
heat flow (2)
-
igneous rocks
-
plutonic rocks
-
diorites
-
tonalite (1)
-
trondhjemite (1)
-
-
granites (5)
-
granodiorites (1)
-
pegmatite (1)
-
ultramafics (1)
-
-
volcanic rocks
-
adakites (2)
-
andesites
-
boninite (1)
-
-
basalts
-
mid-ocean ridge basalts (3)
-
ocean-island basalts (1)
-
-
dacites (1)
-
komatiite (2)
-
rhyolites (2)
-
-
-
inclusions
-
fluid inclusions (2)
-
-
intrusions (5)
-
isotopes
-
radioactive isotopes
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
-
stable isotopes
-
C-13/C-12 (1)
-
Nd-144/Nd-143 (3)
-
O-18/O-16 (2)
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
Sr-87/Sr-86 (1)
-
-
-
lava (1)
-
magmas (5)
-
mantle (3)
-
metal ores
-
antimony ores (1)
-
base metals (1)
-
copper ores (4)
-
gold ores (6)
-
iron ores (1)
-
lithium ores (1)
-
nickel ores (3)
-
palladium ores (1)
-
platinum ores (2)
-
tantalum ores (2)
-
tin ores (2)
-
titanium ores (1)
-
vanadium ores (1)
-
zinc ores (1)
-
-
metals
-
alkaline earth metals
-
strontium
-
Sr-87/Sr-86 (1)
-
-
-
lead
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
-
niobium (1)
-
platinum group
-
palladium ores (1)
-
platinum ores (2)
-
-
precious metals (1)
-
rare earths
-
neodymium
-
Nd-144/Nd-143 (3)
-
-
-
-
metamorphic rocks
-
amphibolites (1)
-
metasedimentary rocks
-
metachert (1)
-
-
quartzites (2)
-
-
metamorphism (4)
-
metasomatism (2)
-
meteorites (1)
-
mineral deposits, genesis (4)
-
mineral exploration (2)
-
mineral resources (1)
-
minerals (1)
-
North America
-
Canadian Shield
-
Slave Province (1)
-
Superior Province
-
Abitibi Belt (1)
-
Wawa Belt (1)
-
-
-
-
orogeny (1)
-
oxygen
-
O-18/O-16 (2)
-
-
Paleozoic
-
Permian
-
Lower Permian (1)
-
Middle Permian (1)
-
-
Silurian (1)
-
-
petrology (1)
-
Phanerozoic (5)
-
placers (1)
-
plate tectonics (11)
-
Precambrian
-
Archean
-
Eoarchean (2)
-
Mesoarchean (2)
-
Neoarchean (4)
-
Paleoarchean (4)
-
Warrawoona Group (2)
-
-
Fortescue Group (1)
-
Hadean (4)
-
Onverwacht Group (1)
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic (1)
-
Neoproterozoic (1)
-
Paleoproterozoic (1)
-
Sinian
-
Xiong'er Group (1)
-
-
-
-
-
sedimentary rocks
-
clastic rocks
-
arenite
-
quartz arenite (1)
-
-
conglomerate (1)
-
sandstone (1)
-
-
-
sedimentary structures
-
biogenic structures
-
algal structures
-
algal mats (1)
-
-
stromatolites (2)
-
-
planar bedding structures
-
bedding (1)
-
-
-
tectonics (6)
-
weathering (3)
-
-
sedimentary rocks
-
sedimentary rocks
-
clastic rocks
-
arenite
-
quartz arenite (1)
-
-
conglomerate (1)
-
sandstone (1)
-
-
-
-
sedimentary structures
-
sedimentary structures
-
biogenic structures
-
algal structures
-
algal mats (1)
-
-
stromatolites (2)
-
-
planar bedding structures
-
bedding (1)
-
-
-
GeoRef Categories
Era and Period
Epoch and Age
Date
Availability
1-20 OF 35 RESULTS FOR
Whundo 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
1
Journal Article
Geology and Tectonic Evolution of the Archean North Pilbara Terrain, Pilbara Craton, Western Australia Available to Purchase
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 July 2002
Economic Geology (2002) 97 (4): 695–732.
... volcanics in the West Pilbara granite-greenstone terrane (Whundo Group), which have juvenile Nd isotope signatures and thus may represent either a rift or island-arc succession. Basaltic rocks and minor felsic tuff were deposited in the East Pilbara granite-greenstone terrane at 3.06 Ga and possibly...
Image
Trench section of the unconformable contact between the Purdy’s Reward cong... Available to Purchase
in The Neoarchean Conglomerate-Hosted Gold of the West Pilbara Craton, Western Australia
> Economic Geology
Published: 01 May 2021
Fig. 4. Trench section of the unconformable contact between the Purdy’s Reward conglomerate and the Whundo Group basalts. The pencil marks the point of the contact, which in this field of view formed in a localized channel.
Image
F ig . 14. Schematic time line showing the geologic evolution of the ... Available to Purchase
in Geology and Tectonic Evolution of the Archean North Pilbara Terrain,
Pilbara Craton, Western Australia
> Economic Geology
Published: 01 July 2002
, U = Ultramafic layered intrusions, W = Warrawoona Group, WC = Whim
Creek Group, Wh = Whundo Group.
Journal Article
The Neoarchean Conglomerate-Hosted Gold of the West Pilbara Craton, Western Australia Available to Purchase
Sam C. Spinks, Mark A. Pearce, Margaux Le Vaillant, David Fox, Ian M. Tyler, Belinda Godel, Jessica Stromberg, Ed Mead, Alistair J.R. White
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 May 2021
Economic Geology (2021) 116 (3): 629–650.
...Fig. 4. Trench section of the unconformable contact between the Purdy’s Reward conglomerate and the Whundo Group basalts. The pencil marks the point of the contact, which in this field of view formed in a localized channel. ...
Includes: Supplemental Content
Image
Further investigation into the settings of boninites that are most difficul... Open Access
in Identification, classification, and interpretation of boninites from Anthropocene to Eoarchean using Si-Mg-Ti systematics
> Geosphere
Published: 07 June 2019
or inferred (A) intraplate and (B) subduction-related settings described in this study. The Gadwal craton parental boninites (e.g., Manikyamba et al., 2005 ) do not plot in the same field as the Whundo-type arc-basin boninites, with which they had been originally grouped. Instead, they have much higher MgO
Journal Article
Archean Layered Mafic-Ultramafic Intrusions in the West Pilbara Craton, Western Australia: A Synthesis of Some of the Oldest Orthomagmatic Mineralizing Systems in the World Available to Purchase
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 July 2002
Economic Geology (2002) 97 (4): 847–872.
.... 3130 to 3115 Ma Whundo Group to the south ( Hickman, 1997a , b ; Smith et al., 1998 ). The West Pilbara granite-greenstone terrane and the Central Pilbara tectonic zone also contain other mafic intrusions that are not coeval with the ca. 2.9 Ga layered intrusions. These include folded...
Image
Ti8-Si8 diagram applied to the identification of boninites within the vario... Open Access
in Identification, classification, and interpretation of boninites from Anthropocene to Eoarchean using Si-Mg-Ti systematics
> Geosphere
Published: 07 June 2019
Figure 10. Ti8-Si8 diagram applied to the identification of boninites within the various groups of low-Ti Archean lavas documented in Supplemental File 1 (text footnote 1 ; sections S7–S12). Data points are average compositions (see Table 2 for standard deviations). (A) Representative range
Journal Article
Tectonic Controls on the Endowment of Neoarchean Cratons in Volcanic-Hosted Massive Sulfide Deposits: Evidence from Lead and Neodymium Isotopes Available to Purchase
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 January 2014
Economic Geology (2014) 109 (1): 11–26.
..., however. A central zone, comprising the Whundo greenstone belt (Whundo Group of the Sholl terrane) and the basement underlying the Mallina basin, is characterized by distinctly more juvenile isotopic signatures. Although lead isotope data are not available, neodymium data from felsic volcanic...
Journal Article
Identification, classification, and interpretation of boninites from Anthropocene to Eoarchean using Si-Mg-Ti systematics Open Access
Journal: Geosphere
Publisher: Geological Society of America
Published: 07 June 2019
Geosphere (2019) 15 (4): 1008–1037.
... or inferred (A) intraplate and (B) subduction-related settings described in this study. The Gadwal craton parental boninites (e.g., Manikyamba et al., 2005 ) do not plot in the same field as the Whundo-type arc-basin boninites, with which they had been originally grouped. Instead, they have much higher MgO...
Includes: Supplemental Content
Journal Article
Short-term episodicity of Archaean plate tectonics Open Access
Journal: Geology
Publisher: Geological Society of America
Published: 01 May 2012
Geology (2012) 40 (5): 451–454.
... ( Smithies et al., 2005 ; Smithies and Champion, 2000 ), are equally short-lived; the longest (in the Whundo group) not exceeding 20 m.y. A similar episodicity is observed in the Zimbabwe craton ( Rollinson, 2011 ), with four short “arc” events between 2.74 and 2.62 Ga. In contrast, Phanerozoic...
Journal Article
The Timing of Mineralization in the Archean North Pilbara Terrain, Western Australia Available to Purchase
David L. Huston, Shen-Su Sun, Richard Blewett, Arthur H. Hickman, Martin Van Kranendonk, David Phillips, Darcy Baker, Carl Brauhart
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 July 2002
Economic Geology (2002) 97 (4): 733–755.
... and mafic volcanic rocks and clastic sedimentary rocks 3020 Cleaverville Formation: Clastic Cleaverville Formation: Clastic sedimentary rocks and banded sedimentary rocks and banded iron-formation iron-formation 3130–3115 Whundo Group: Mainly...
Journal Article
The 3.53 Ga St James Volcanogenic Massive Sulfide Deposit, Kaapvaal Craton: Links to Submarine Rhyolites, Not to Komatiites Open Access
T. Netshidzivhe, S. Tappe, A. H. Wilson, S. Burness, J. F. Wotzlaw, H. Strauss, K. A. Smart, B. M. Guy, K. S. Viljoen
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 28 June 2025
Economic Geology (2025)
... on the basis of the host lithostratigraphy, as well as the inferred geodynamic setting and petrogenetic affinity (e.g., Lentz, 1998 ; Barrie and Hannington, 1999 ; Franklin et al., 2005 ; Galley et al., 2007). The host lithostratigraphy can be grouped into one or more of the following: (1) mafic, (2) mafic...
Early Publication
Includes: Supplemental Content
Journal Article
Geologic Constraints on Base Metal Mineralization of the Whim Creek Greenstone Belt, Pilbara Craton, Western Australia Available to Purchase
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 July 2002
Economic Geology (2002) 97 (4): 827–845.
... Group comprises five formations (oldest to youngest): Cistern Formation, Rushall Slate, Mount Negri Volcanics, Louden Volcanics, and Kialrah Rhyolite. The Whim Creek Group ( Fig. 2 ) unconformably overlies the ca. 3120 Ma Whundo Group that is elsewhere intruded by 3093 ± 4 Ma ( Nelson, 1997...
Journal Article
Precambrian tectonic evolution of Earth: an outline Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 March 2021
South African Journal of Geology (2021) 124 (1): 141–162.
... ) and the 3.12 Ga Whundo Group on the western edge of the Pilbara Craton ( Smithies et al., 2005b ). They differ in detail from Phanerozic arc assemblages, in particular by being less porphyritic and having a complex range of rock types in addition to the BADR series which may include boninites, high-Mg...
Journal Article
Is plate tectonics a post-Archean phenomenon? A petrological perspective Open Access
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 27 August 2024
Journal of the Geological Society (2024) 181 (6): jgs2024-091.
... 2019 a ) and include 75 localities that record Archean metamorphism, although most are Neoarchean in age, with only 10 of Mesoarchean, 12 of Paleoarchean and two of Eoarchean age. The third example in Figure 5e is from the 3.12 Ga Whundo Group (West Pilbara Terrane) ( Smithies et al. 2005 b...
Journal Article
Geochemistry of adakites and rhyolites from the Neoarchaean Gadwal greenstone belt, eastern Dharwar craton, India: implications for sources and geodynamic setting Available to Purchase
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 13 November 2007
Canadian Journal of Earth Sciences (2007) 44 (11): 1517–1535.
... and adakites: are they both slab melts? Lithos , 80 : 33 – 44 . Cousens B. Facey K. Falck H. 2002 . Geochemistry of the late Archean Banting Group, Yellowknife greenstone belt, Slave Province, Canada: simultaneous melting of the upper mantle and juvenile mafic crust . Canadian Journal...
Journal Article
Contemporaneous eruption of Nb-enriched basalts – K-adakites – Na-adakites from the 2.7 Ga Penakacherla terrane: implications for subduction zone processes and crustal growth in the eastern Dharwar craton, India Available to Purchase
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 14 March 2012
Canadian Journal of Earth Sciences (2012) 49 (4): 615–636.
... basalts, but Nb 6.3–18 ppm in the studied samples, both basalt groups qualify as NEB, and notwithstanding the compositional gap, both plot collinearly on binary diagrams; accordingly, the “normal” NEB are considered as fractionation products of the high-Mg basalts now termed magnesian-NEB (M-NEB) ( Fig. 5...
Journal Article
The Diverse Structure of Archean Lode Gold Deposits of the Southwest Mosquito Creek Belt, East Pilbara Craton, Western Australia Available to Purchase
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 July 2002
Economic Geology (2002) 97 (4): 787–800.
... thickness of rocks of the Mosquito Creek belt to be ~5,000 m, although he acknowledged the difficulties in this estimation due to tectonic thickening from isoclinal folding. Along the northern margin of the belt, the base of the Mosquito Creek Formation lies unconformably in the Warrawoona Group...
Journal Article
INTERESTING PAPERS IN OTHER JOURNALS Available to Purchase
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 May 2005
Economic Geology (2005) 100 (3): 603–612.
... 373 Major and trace element composition of copiapite-group minerals and
coexisting water from the Richmond mine, Iron Mountain, California— Heather
E. Jamieson, Clare Robinson, Charles N. Alpers, R. Blaine McCleskey, D. Kirk
Nordstrom, and Ronald C. Peterson 387 Secondary sulfate minerals...
Journal Article
Palaeoarchaean TTGs of the Pilbara and Kaapvaal cratons compared; an early Vaalbara supercraton evaluated Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 March 2021
South African Journal of Geology (2021) 124 (1): 37–52.
... km-thick volcano-sedimentary successions of the ca . 3.53 to 3.17 Ga Pilbara Supergroup, itself comprising four autochthonous groups: the Warrawoona, Kelly, Sulphur Springs, and Soanesville groups ( Hickman, 2012 ; Van Kranendonk et al., 2007a ; Van Kranendonk et al., 2007b ). The stratigraphic...
1