Results 121 to 130 of about 12,911 (237)

The Phillip Anderson Arizona Proterozoic Archive

open access: yes, 2017
Phillip Anderson conducted a comprehensive study of the Proterozoic geology, tectonics, and mineral deposits of the Southwest, focused on Arizona. He started his studies upon arrival at the University of Arizona in the early 1970s, beginning a PhD in the
Johnson, J.K.   +4 more
core  

Proterozoic tectonic evolution of Australia and India

open access: yes
Proterozoic tectonic evolution of Australia and India. Recent studies cast doubt on reconstructions of the Neoproterozoic supercontinent Rodinia, and on the tectonic coherence of East Gondwanaland (Australia, Antarctica and India).

core  

Marine Aluminum Phosphate–Sulfate Authigenesis as a Phosphorus Sink During Mid‐Proterozoic Oxygenation

open access: yesGeophysical Research Letters
Enhanced continental phosphorus input into the ocean has been suggested as a potential trigger for the transient oxygenation events during the mid‐Proterozoic; however, the response of phosphorus cycling to these marine oxygenations remains unclear. Here,
Baozeng Xie   +9 more
doaj   +1 more source

Nitrogenase inhibition limited oxygenation of Earth’s Proterozoic atmosphere [PDF]

open access: yes, 2019
Cyanobacteria produced the oxygen that began to accumulate on Earth 2.5 billion years ago, at the dawn of the Proterozoic Eon. By 2.4 billion years ago, the Great Oxidation Event (GOE) marked the onset of an atmosphere containing oxygen.
Martin, WF, Thake, B, Allen, JF
core  

United States Department of Energy Grand Junction Office Report GJBX 97(80)

open access: yes, 1979
Datasets of uranium samples taken from the Proterozoic unconformity the Van Horn areas in ...

core  

The relationship between natural hydrogen flow rates and production viability. [PDF]

open access: yesSci Rep
Franke D   +7 more
europepmc   +1 more source

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