Puncoviscana Formation, Geological formation in Catamarca Province, Argentina
The Puncoviscana Formation is a geological unit in Catamarca Province composed of sedimentary and metamorphic rocks of varied origins. Shale, sandstone, conglomerate, limestone, and schist appear in different layers throughout the terrain.
This geological unit formed between 700 and 535 million years ago during the Late Ediacaran and Early Cambrian periods. Scientists established this age through detailed analysis of rock characteristics and fossil traces found within the layers.
The formation serves as an educational site where geology students and researchers examine rock formations and collect samples for scientific studies.
Access to this site requires careful planning due to rough terrain and varying conditions across the area. Visitors should bring appropriate gear and be aware of potential hazards from unstable rock faces and steep slopes.
The area preserves trace fossils of early life forms such as Archaeonassa fossulata and Asaphoidichnus embedded in the rock layers. These fossils provide insight into primitive organisms that inhabited this region hundreds of millions of years ago.
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