New research into fossilized rock formations in Zimbabwe is shedding light on Earth's nitrogen cycle before the rise of atmospheric oxygen. Scientists analyzing ancient stromatolites—layered rock ...

The face's expressions can change with Parkinson's disease, and facial masking (also called masked facies, or hypomimia) occurs in roughly half to 70% of all people diagnosed with the ...

1. Determination of the Search Template: Select an appropriate search template that corresponds to the sedimentary facies of the study area, and then proceed to identify the data occurrences. 6.

The initial ichnoassemblages in shallow lacustrine and fluvial facies of late Smithian age are monospecific, devoid of infaunalization, with apparent size reduction. In the following Spathian, newly ...

In this study, the CIA proposed by Nesbitt and Young (1982) was employed to evaluate the paleoclimate conditions during the sedimentary period of marine-continental transitional facies shale of the ...