Abstract Isotopic ages for the Middle Cambrian–Late Cambrian are few because formations of the appropriate age combining diagnostic fossils and rocks datable by precise isotopic techniques are not ...

IN his attempt to establish as Eocene the age of the salt of the Salt Range of the Punjab, Prof. B. Sahni 1 has succumbed to the temptation of generalizing too far from a particular instance. In 1925 ...

THOUGH the discussion of the age of the rocks of Charnwood Forest is not likely in the present state of our knowledge to lead to any useful result, there are still a few points in Prof. Hull's letter ...

Thanks to being rapidly entombed in volcanic ash – in a “Pompeii-like” process – Cambrian-age trilobites’ anatomy is more discernable than ever, via exquisitely preserved fossils. The fossils ...

Journal of Paleontology, Vol. 68, No. 1 (Jan., 1994), pp. 24-30 (7 pages) A deep core from Warren County, Ohio, has yielded numerous fossils of Cambrian age. The specimens, which are among the first ...

Considering the fossils of the Cambrian, the oldest fossil-bearing rocks known during his time, Charles Darwin wrote the following in the 6th edition of On the Origin of Species; ... it cannot be ...