This is a preview. Log in through your library . Abstract The middle—upper Miocene (Serravallian-Tortonian) Gatun Formation of Panama is one of the most diverse marine fossil assemblages in the ...

Yan, M. and Wang, H. (2026) Seismic Forward Modeling of the Lower Ordovician in the Northwestern Sichuan Basin. Journal of ...

USGS contractor to conduct low-level flights to map variations in the Earth's magnetic field, in a study of the geology of NC, VA, SC, and WV The U.S. Geological Survey (USGS) will be conducting ...

Two low-flying Piper Navajo airplanes are scheduled to begin crisscrossing north Arkansas this week measuring variations in the Earth's natural magnetic field, as well as soil and rock chemistry on ...

The Cooperative National Geologic Map offers a complete and detailed look at the bedrock and fault systems of the continental United States. The first geological map of the United States was published ...

AbstractConsiderable attention has been paid to the potentially confounding effects of geological and seasonal variation on outputs from bioassessments in temperate streams, but our understanding ...

HUMAN bones from time to time have been discovered associated with those of extinct hyenas and cavern-bears, and specimens of them were in the Museum of the Garden of Plants in Paris as long ago as ...

The common view of the Amazon is that it is one massive, unbroken forest. This impression is given by maps which tend to mark the Amazon by a large glob of green or even by its single name which doesn ...

What was thought to be an underwater, lost city is actually a naturally occurring geological phenomenon. Pipe-like, disc and doughnut-shaped structures discovered by underwater divers near the island ...