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It mentions the following periods to indicate how long ago coal was formed: Carboniferous followed by 359,200,000 - 326,400,000 years ago Dinantian series or epoch from the Lower Carboniferous system in Europe 326,400,000 to 313,400,000 years ago Namurian stage in the regional stratigraphy of northwest Europe are found - Silicious Grit, providing stone for building and millstones - Shale - then lime-stone and toadstone alternately.
The about 365 million years ago during the Famennian.The reference relates to Multicellular filaments from arctic Canada identified as a red algae Bangiomorpha pubescens. The curtain rises on a drama in the sea that has already begun, and has been going on for some time". London, Published by James Reynolds 174 Strand, 20t.10.1849. The first of these began about 443 million years ago."In all but detail, this fossil is indistinguishable from modern Bangia" for the Ediacaran fossils to first appear, 655,000,000 years ago. This showed life beginning with the Silurian system, which it described as "a marine deposit of vast extent containing abundance of marine organic remains. Together, these extinctions may have removed about 85 percent of species of marine animals.writes of fine-grained greenish sandstones deposited in freshwater in which land plant fossils are well preserved."Among the most attractive of these" tree-fern once called Cyelopteris (Round-leaved Fern), re named Palasopteris Hibernicus (Primitive Irish Fern). It was the "monarch of the primeval forests" whose "graceful fronds bent over the clear waters of a lake".4,540,000,000 (4.54 billion) years ago Formation of planet Earth - Usher's date was ).
Archeozoic: end of Azoic to 2,500,000,000 years ago: The era of the earliest living beings on earth.
It is suggested that analysis of sedimentary pyrite from the Belingwe sedimentary basin in Zimbabwe may provide evidence for bacterial reduction at this date.
2,500,000,000 to 542,000,000 years ago The Proterozoic Eon: the most recent part of the Precambrian Supereon.
372,200,000 to 358,900 years ago Famennian age of the separated by about 10 million years.
About 375 million years ago, towards the end of a time interval called the Givetian.
) 13,800,000,000 (13.8 billion) years ago The creation of the universe according to present estimates of "big bang" - "Stephen Hawkings and others...