The period in tine and the changes in physical geography represented by the nummulitic deposits are undoubtedly very great, while the remains of Middle Eocene and Older Eocene Mammals are comparatively few.
Some time during the Miocene epoch, possibly when the Himalayan chain was elevated, the bottom of the nummulitic sea was upheaved and converted into dry land, in the direction of a line extending from Abyssinia to the mouth of the Ganges.
Above the Ranikot beds are the massive nummulitic limestones and sandstones of the Kirthar group; these are succeeded by the nummulitic limestones and shales at the base of the Nari group.
In the southern Himalayan region the nummulitic phase of Eocene deposit is well developed, but there are difficulties in fixing the line of demarcation between this and the younger formations.
Below these limestones are the nummulitic sands of Cuise and Soissons.
Upper Eocene, Flysch and Vienna sandstone, with youngernummulitic beds and Haring group.
Besides being a widespread formation the nummulitic limestone is locally several thousand feet thick.
The most important feature is the great development of nummulitic limestone with thin marls and nummulitic sandstones.
Beneath the thick nummulitic Eocene limestone of the Salt Range are shales and marls with a few coal seams.
The pyramids of Egypt are built mainly of nummulitic limestone.
Logan, be equal to the time which elapsed between the Potsdam sandstone and the nummuliticlimestones of the Tertiary period.
Accordingly, in the Swiss Alps, even the flysch, or upper portion of the nummulitic series, has been occasionally invaded by Plutonic rocks, and converted into crystalline schists of the hypogene class.
Archiac remarks, it accompanies the nummuliticformation from Europe to India, having been found in Cutch, near the mouths of the Indus, associated with Nummulites scabra.
Mantelli) is of the same species as one found in Cutch, in the Middle Eocene or nummulitic formation of India.
The opinion of many observers, that the Nummulitic formation belongs partly to the cretaceous era, seems chiefly to have arisen from confounding an allied genus, Orbitoides, with the true Nummulite.
In neither have any organic remains been discovered; so that we can merely affirm, as yet, that the volcanos broke out after the elevation of some of the newest rocks of the nummulitic (Eocene?
This fact shows undeniably that plutonic causes continued to be in operation in the Alps down to a late period, even after the deposition of some of the nummulitic or older Eocene formations.
The eruptions have burst entirely through fossiliferous rocks, composed in great part of grey and greenish sandstone and conglomerate, with some thick beds of nummulitic limestone.
Accordingly, in the Swiss Alps, even the flysch, or upper portion of the nummulitic series, has been occasionally invaded by plutonic rocks, and converted into crystalline schists of the hypogene class.
The period in time and the changes in physical geography represented by the nummulitic deposits are undoubtedly very great, while the remains of Middle Eocene and Older Eocene Mammals are comparatively few.
The rock at Terrya is a nummulitic limestone, worn into extensive caverns.
Fossil wood is found; and some of the old buildings about Chittagong contain nummulitic limestone, probably imported from Silhet or the peninsula of India, with which countries there is no such trade now.
Thus, in the Spiti area at least, there appears to have been continuous deposition of marine beds from the Permian Productus shales to the Eocene Nummulitic formation.
The next succeeding deposit is a sandstone, often highly inclined, which rests unconformably upon the Nummulitic beds and resembles the Lower Siwaliks of the Sub-Himalaya (Pliocene) but which as yet has yielded no fossils of any kind.
Among the cinders outside the vault were fragments of fissile sandstone, reddened by heat, which were observed to rest on a levelled surface of Nummuliticlimestone and to have formed a hearth.
Large portions of those countries which constitute the earliest seats of man in Southern Europe, Northern Africa, and Western and Southern Asia, are built upon the old nummulitic sea-bottom.
This is the age of the greatNummulitic Limestones of Europe, Africa, and Asia, and the Orbitoidal Limestones of North America.
In the Eocene, however, we shall discover one very instructive case in the great Nummulitic Limestone.
Piece ofNummulitic Limestone from the Great Pyramid.
In the case of the "Nummulitic Limestone," just mentioned, these shells are of large size, varying from the size of a split pea up to that of a florin.
The chief Continental formations of Middle Eocene age are the "Calcaire grossier" of the Paris basin, and the "Nummulitic Limestone" of the Alps.
Defn: A name given to the series of sandstones and schists overlying the true nummulitic formation in the Alps, and included in the Eocene Tertiary.
The overlying Tertiary series includes nummulitic beds and valuable seams of coal.
Up to the end of the Nummuliticepoch no direct connexion (except possibly for short periods) existed between India and Western Asia.
The Mediterranean still sends an arm up France, and with another arm encircles the Alpine mass; but the upheaval continues, and the great nummulitic sea is reduced to a series of extensive lakes, cut off both from the Atlantic and Pacific.
The Pyrenees and Apennines had begun to rise at the end of the Eocene, straining the crust until it spluttered with volcanoes, casting the nummulitic sea off large areas of Southern Europe.
The pyramids are built of this nummulitic limestone.
The Pyrenees, also, have acquired their present altitude, which in Mont Perdu exceeds eleven thousand feet, since the deposition of the nummulitic or Eocene division of the tertiary series.
It now appears, however, that some of the most modern of those disturbed strata belong to the nummulitic formation, which are regarded by the majority of geologists as Eocene or older tertiary, an opinion not assented to by M.
The Nummulites are the most characteristic Eocene fossils, and the period may be spoken of as the Nummulitic Period, though it is now known that Nummulites are not confined to the Eocene strata.
The pyramids were nearly all made of nummulitic limestone composed of the remains of organic life; a material which belonged to the latest geologic ages, when whole generations and different platforms of life had come and gone.
It has a special geological interest, inasmuch as it represents an ancient sea-beach flanking the crystalline rocks of Upper Egypt, where the cretaceous and nummulitic limestones end.
The Nummulitic limestone forms, in the chain of the Pyrenees, entire mountains of great height; in Egypt it forms strata of considerable extent, and it is of these rocks that the ancient pyramids were built.
The Nummulitic limestones were being laid down in that enlarged Mediterranean which at this period, save for a few islands, covered most of south Europe.
Large deposits of Nummulitic limestone are found in the older Tertiary formations of North-West India.
The oldest of the Tertiary strata include a prominent limestone containing Nummulitic fossils, which are characteristic of these Lower Tertiary beds throughout the world.
The Kálachitta (black and white) chain is so called because the north side is formed of nummulitic limestone and the south mainly of a dark purple sandstone.
Here, as in many parts of North-Western India, the Nummulitic limestones are associated with coal which has been largely worked.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "nummulitic" in a variety of sentences. We hope that you will now be able to make sentences using this word.
