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The Joggins Fossil Cliffs are located in NOVA SCOTIA, on the shores of Cumberland Basin in the upper BAY OF FUNDY. They have been a celebrated paleontological site since the mid-19th century, when Sir Charles Lyell declared that the "forest of fossil coal-trees" exposed in the seaside cliffs was "the most wonderful phenomenon perhaps that I have seen." Lyell was born in Scotland and is the father of modern GEOLOGY. His examination of this fossil forest settled the then hotly debated theory about the origin of COAL, confirming that it was formed in place from the decayed matter of ancient forests. These 300-million-year-old TREES were mostly lycopods, or scale trees, so named for the patterning on their bark. Ancestors of the present-day, diminutive CLUB-MOSSES, these Coal Age (Carboniferous) giants grew to heights of 30 metres.
It was Lyell's second field trip to Joggins that established Joggins as one of the most important fossil localities on the planet. He was accompanied by a young Nova Scotian, William Dawson, who later became Sir William and Canada's pre-eminent geologist of the 19th-century. In 1852 Lyell and Dawson discovered in a fossilized tree trunk the remains of the earliest known REPTILE in the fossil record. A century and a half later, the lizard-sized animal, named Hylonomus lyelli, or "forest dweller," remains the oldest truly terrestrial creature ever found. It was apparently trapped in a hollowed-out tree stump where it was preserved when muds from a meandering river system were washed into what Dawson dubbed "a strange repository." The cliffs are exposed for a distance of several kilometres and are naturally quarried by the 12-metre-high Fundy tides. They continue to yield an almost inexhaustible supply of new and important FOSSILS, including an array of early reptiles and AMPHIBIANS as well as the earliest land SNAILS. The preserved plants and animals document that epochal period in Earth history when animals first evolved from the water onto land. In fact, the cliffs reveal the complete ECOSYSTEM of an ancient rainforest. Among the most dramatic trace fossils are the trackways of a 2 metre-long sow-bug-like creature, Arthropleura, which feasted on the abundant forest litter. In 1843 the founder the GEOLOGICAL SURVEY OF CANADA, Sir William LOGAN, chose Joggins as the site for the first survey conducted by his fledgling institution. The coal seams of the Cumberland Coal Basin were also mined commercially until 1980. Today the Joggins Fossil Cliffs are prized for their scientific and cultural value alone. Many geologists believe that the cliffs preserve the most complete record of life in the Pennsylvanian Period (341 to 289 million years ago) anywhere in the world. For this reason, and because of its seminal role in the history of science, Joggins has been proposed as a UNITED NATIONS WORLD HERITAGE SITE. See also PALEONTOLOGY
Author
HARRY THURSTON
Suggested Reading
L. Ferguson, The Fossil Cliffs of Joggins (1988); H. Thurston, Dawning of the Dinosaurs: The Story of Canada's Oldest Dinosaurs (1994).
Links to Other Sites
Trace fossils
This site unravels the mysteries of trace fossils and highlights Nova Scotia’s unique paleontological sites such as the famous Joggins Fossil Cliffs. Also features loads of fun fossil activities. A Nova Scotia Museum of Natural History.
Joggins Fossil Cliffs
This nicely illustrated website focuses on the geological history of the fossil cliffs of Joggins palaeontological site, located near the head of the Bay of Fundy. From the Nova Scotia Museum.
The Hylonomus Lyelli
Visit this site to learn more about Nova Scotia's provincial fossil “Hylonomus Lyelli,” the world’s oldest known reptile. From the Government of Nova Scotia.
Nova Scotia's Joggins Fossil Cliffs added to list of World Heritage sites
A news story about the designation of Joggins Fossil Cliffs as world heritage site by the UNESCO World Heritage committee. From canada.com.
The Joggins Fossil Institute
The website for the Joggins Fossil Institute features visitor information, a photo gallery and a video tour of the fossil cliffs.
Glossary: Fossils of Nova Scotia
A glossary of terms about fossils and related geological processes. From the website for the Nova Scotia Museum.
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