United States or Tuvalu ? Vote for the TOP Country of the Week !
Here antelopes reappear amongst the tall mimosa, but we let them alone in prosecution of the survey, and finally encamped opposite the little hill of Kidunda, which lying on the left bank of the Kingani, stretches north, a little east, into Uzegura. The hill crops out through pisolitic limestone, in which marine fossils were observable.
Numerous white balls appearing like pisolitic concretions, from the size of a walnut to that of an apple, are embedded in this deposit; they usually have a small pebble in their centres. Mr.
The overlying Tremadoc beds were traced by their pisolitic ore from Tremadoc to Dolgelly. No fossils proper to the Tremadoc slates were then observed, but subsequently, thirty-six species of all classes have been found in them, thanks to the researches of Messrs. Salter, Homfray, and Ash.
In 1863 and 1866 he had been among the Nagelflüh of Northern Switzerland, studying the puddingstones and breccias. He saw that the difference between these formations, in their structural aspect, and the hand-specimens in his collection of pisolitic and brecciated minerals was chiefly a matter of size; and that the resemblances in form were very close.
Pisolitic limestone cropped out in boulders and sheets, and we began to imagine ourselves approaching healthy highlands, and as if to give confirmation to the thought, to the north and north-west loomed the purple cones of Udoe, and topmost of all Dilima Peak, about 1,500 feet in height above the sea level.
This upper tuff contains numerous pisolitic balls, about the size of small bullets, which differ from the surrounding matter, only in being slightly harder and finer grained. The beds dip away very regularly on all sides, at angles varying, as I found by measurement, from twenty-five to thirty degrees.
The pisolitic formation, therefore, may eventually prove to be somewhat more intermediate in date between the secondary and tertiary epochs than the Maestricht rock.
On the other hand, the Maestricht and Faxoe limestones are very closely connected with the chalk, to which also the Pisolitic limestone of France is referable. Maestricht Beds and Faxoe Limestone. 2. Upper White Chalk, with flints. 3. Lower White Chalk, without flints. 4. Chalk Marl. 5. Gault.
Simpson, an enterprising American engineer engaged in erecting a steam-pump to raise the water for the supply of the town. Above this is an ash bed, then a bed of breccia containing fragments of trachyte, then another bed of cinders, which looks like a rough sandstone, but is pisolitic, and contains pebbles of the size of a bean.
The epoch we are now referring to was one of economic importance; as, towards its close, there was an extensive deposition of pisolitic iron-ore over the floor of the lake, sometimes to the depth of two or three feet. This ore has been extensively worked in recent years. Cliff section above the Giant's Causeway, coast of Co.
Word Of The Day