 ... siliceous sandstone. In many places, this most ancient of the fossiliferous rocks of New York (the Potsdam sandstone) is divided into laminae by the remains of innumerable shells of the genus Lingula. They are in such profusion as to form black seams...  The Texan Permian and Its Mesozoic Types of Fossils - Page 169by Charles Abiathar White - 1891 - 51 pagesFull view - About this book
 | Sir Charles Lyell - Atlantic States - 1845 - 344 pages
...most ancient of the fossiliferous rocks of New York (the Potsdam sandstone) is divided into laminae by the remains of innumerable shells of the genus...at first mistaken.* With the Lingula occurs another small placunoid shell, allied to, if not identical, according to Professor E. Forbes, with a fossil... | |
 | Sir Charles Lyell - Atlantic States - 1845 - 262 pages
...most ancient of the fossiliferous rocks of New York (the Potsdam sandstone) is divided into laminae by the remains of innumerable shells of the genus...at first mistaken.* With the Lingula occurs another small placunoid shell, allied to, if not identical, according to Professor E. Forbes, with a fossil... | |
 | Sir Charles Lyell - Atlantic States - 1845 - 720 pages
...most ancient of the fossiliferous rocks of New York (the Potsdam sandstone) is divided into lamina? by the remains of innumerable shells of the genus...profusion as to form black seams like mica, for which 132 OLDEST KNOWN FOSSILS. CHAP. xxn. they were at first mistaken.* With the Lingula occurs another... | |
 | Science - 1846 - 796 pages
...says, " In many places this most ancient of the fossiliferous rocks of New York is divided into laminae by the remains of innumerable shells of the genus...like mica, for which they were at first mistaken. It is highly interesting, that in this lowest fossiliferous bed, one of its commonest organic remains... | |
 | Geology - 1846 - 472 pages
...says, " In many places this most ancient of the fossiliferous rocks of New York is divided into laminae by the remains of innumerable shells of the genus...such profusion as to form black seams like mica, for whicli they were at first mistaken. It is highly interesting, that in this lowest fossiliferous bed,... | |
 | Geology - 1846 - 674 pages
...rocks of New York is divided into laminae by the remains of innumerable shells of the genus Lintjula. They are in such profusion as to form black seams like mica, for which they were at first mistaken. It is highly interesting, that in this lowest fossiliferous bed, one of its commonest organic remains... | |
 | Gideon Algernon Mantell - Geology - 1848 - 478 pages
...sandstone, the most ancient fossiliferous rock of New York, is in many places divided into laminae by the remains of innumerable shells of the genus...in such profusion as to form black seams like mica, and are accompanied with another small placunoid shell, which is also associated with a small species... | |
 | J. C. Myers - Atlantic States - 1849 - 498 pages
...York, known as Potsdam sandstone, is divided into laminde, by the remains of innumerable shells, which are in such profusion as to form black seams like mica, for which they might easily be mistaken. Above this chasm were two beautiful waterfalls, where the ripple-like ridges... | |
 | Sir Charles Lyell - Atlantic States - 1855 - 304 pages
...most ancient of the fossiliferous rocks of New York (the Potsdam sandstone) is divided into lamina? by the remains of innumerable shells of the genus...at first mistaken.* With the Lingula occurs another small placunoid shell, allied to, if not identical, according to Professor E. Forbes, with a fossil... | |
 | Gideon Algernon Mantell - Geology - 1858 - 572 pages
...America, is in many places divided into lamia» by the remains of innumerable shells of the genus Liwjuk. They are in such profusion as to form black seams like mica, and are accompanied with another small placunoid shell, which is also associated with a small species... | |
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