A Chronological Survey is ultimately intended to serve as the companion and reference volume to a larger work entitled Introduction to Stratigraphy and Sedimentation. The Survey will explore the environmental conditions that existed during each Geologic time period from the Cambrian to the present, and will select one or more localities for each time period to examine in detail. We will not cover the Precambrian at this time, but may add chapters on that later.

Together, these works are a massive undertaking that will require much time to complete. The primary author welcomes contributions from others!

Contents

Geologic Time Scale

Introduction

The Cenozoic

Quaternary

Neogene

Paleogene

The KT Boundary

The Mesozoic

Cretaceous

Jurassic

Triassic

The PT Boundary

The Paleozoic

Permian

Pennsylvanian

Mississippian

Devonian

Silurian

Ordovician

Cambrian

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