Lea Park Formation, Geological formation in Alberta, Canada
The Lea Park Formation is a geological layer made mostly of dark grey shale that lies beneath parts of western Canada. It contains bands of fine sand and calcite veins running through the rock layers.
This layer formed between 80 and 83 million years ago when a vast sea covered the area. The deposits show how marine conditions changed over time in this ancient seaway.
Scientists study the formation's preserved foraminifera and mollusk fossils to understand marine environments from the Cretaceous period.
This geological formation lies deep underground and is not directly accessible to visitors without drilling or excavation. It is studied primarily through rock samples and scientific analysis by geologists.
The formation contains iron-rich nodules and thin bentonite seams scattered throughout its layers. These mineral deposits are noteworthy because they reveal details about the environment in which the ancient seabed formed.
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