Earth continues to evolve. So far it has taken, notwithstanding Bishop Ussher’s different view of
The expression global extinction frequently conjures images of all life being snuffed out by an
Fossils and Strata; Relative geological time When one sedimentary layer overlies another, we can be
We don’t need to look far to see evidence that the interior of the
The value of missing time Geological time that has gone missing When you next look
Algae, Fossil Slime and Organic Precambrian Art Stromatolites are the earliest physical life forms on
You are at the beach, by the river, in the garden; you walk through
Trace Fossils Imagine the squelch! Footprints of people, birds, and dogs at the beach. Most
How Geologists Interpret Ancient Environments. 3 A Philosophical Interlude You are confronted by a rocky
How Geologists Interpret Ancient Environments. 2 Ruffles and desiccation Nearly all sedimentary rocks contain structures