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proterozoic
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The Early Proterozoic Trans-Hudson Orogen of North America
The Early Proterozoic Trans-Hudson Orogen of North America
By John F. Lewry
Mid-Proterozoic Laurentia-Baltica
By Charles F. Gower,Arthur Bruce Ryan
Mineralogy, geochemistry, metamorphism, and provenance of the early Proterozoic metamorphic rocks of the central Front Range, Colorado
Mineralogy, geochemistry, metamorphism, and provenance of the early Proterozoic metamorphic rocks of the central Front Range, Colorado
By Dolores J. Gable
Problemy paleontolohiï ta biostratyhrafiï proterozoi︠u︡ i fanerozoi︠u︡ Ukraïny
Problemy paleontolohiï ta biostratyhrafiï proterozoi︠u︡ i fanerozoi︠u︡ Ukraïny
By P. F. Gozhik
Middle Proterozoic (1.5 Ga) Horodyskia moniliformis Yochelson and Fedonkin, the oldest known tissue-grade colonial eucaryote
By M. A. Fedonkin
Sedimentology and Provenance of the Early Proterozoic Michigamme Formation and Goodrich Quartzite, Northern Michigan
Sedimentology and Provenance of the Early Proterozoic Michigamme Formation and Goodrich Quartzite, Northern Michigan
By Richard W. Ojakangas
Geology of the Stensgar Mountain quadrangle, Stevens County, Washington
Geology of the Stensgar Mountain quadrangle, Stevens County, Washington
By James George Evans
Geochemistry and mineralization of Proterozoic volcanic suites
By R. D. Beckinsale,Rickard, David T.
Proterozoic geology
By International Proterozoic Symposium (1981 University of Wisconsin--Madison),International Proterozoic Symposium,L. G. Medaris
Follow-up evaluation of fifteen geochemically anomalous areas and evaluation of four prospects in the Farah Garan-Kutam Mineral Belt, Kingdom of Saudi Arabia
Follow-up evaluation of fifteen geochemically anomalous areas and evaluation of four prospects in the Farah Garan-Kutam Mineral Belt, Kingdom of Saudi Arabia
By Karl S Kellogg
Follow-up evaluation of fifteen geochemically anomalous areas and evaluation of four prospects in the Farah Garan-Kutam Mineral Belt, Kingdom of Saudi Arabia
Follow-up evaluation of fifteen geochemically anomalous areas and evaluation of four prospects in the Farah Garan-Kutam Mineral Belt, Kingdom of Saudi Arabia
By Karl S. Kellogg
Geochemical reconnaissance of late Proterozoic volcanic and mafic plutonic rocks of the Al 'Awshaziyah quadrangle and related rocks in the Qufar quadrangle, Northern Arabian Shield
Geochemical reconnaissance of late Proterozoic volcanic and mafic plutonic rocks of the Al 'Awshaziyah quadrangle and related rocks in the Qufar quadrangle, Northern Arabian Shield
By Gerhard W. Leo
The rise of animals
By Mikhail A. Fedonkin,James G. Gehling,Kathleen Grey,Guy M. Narbonne,Patricia Vickers Rich
Quantifying the evolution of early life
By Marc Laflamme,James D. Schiffbauer,Stephen Q. Dornbos
Geophysical interpretations of the Libby thrust belt, northwestern Montana
Geophysical interpretations of the Libby thrust belt, northwestern Montana
By M. Dean Kleinkopf
The Menominee iron-bearing district of Michigan
By William Shirley Bayley
The Ice Brook Formation and post-Rapitan, Late Proterozoic glaciation, Mackenzie Mountains, Northwest Territories
The Ice Brook Formation and post-Rapitan, Late Proterozoic glaciation, Mackenzie Mountains, Northwest Territories
By J. D. Aitken
Geologic map (scale 1:250,000) of the Penokean orogen, central and eastern Minnesota, and accompanying text
Geologic map (scale 1:250,000) of the Penokean orogen, central and eastern Minnesota, and accompanying text
By D. L. Southwick
The geology and geochemistry of the Proterozoic Awasib Mountain terrain, southern Namibia
The geology and geochemistry of the Proterozoic Awasib Mountain terrain, southern Namibia
By B. G. Hoal
The Facer Formation, a new early Proterozoic unit in northern Utah
The Facer Formation, a new early Proterozoic unit in northern Utah
By Max D. Crittenden
Tectonics and sedimentation of a Late Proterozoic Damaran convergent continental margin, Khomas Hochland, Central Namibia
Tectonics and sedimentation of a Late Proterozoic Damaran convergent continental margin, Khomas Hochland, Central Namibia
By Peter A. Kukla
Origin of the Lower Proterozoic Fleming chert-breccia, Newfoundland, Labrador-Quebec
Origin of the Lower Proterozoic Fleming chert-breccia, Newfoundland, Labrador-Quebec
By Tyson C. Birkett