Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: May 10, 2025
Such deposits would be most frequent at the upper ends of the lakes, but a few would occur on either bank not far from the shore where torrents once entered, agreeing in geographical position with the lignite formations of Utznach and Durnten.
There are about one hundred acres of tide meadows on Virago Sound, forty acres at the mouth of Nadeu River, twenty acres along the coast, at and near the entrance to Lignite Brook, ten acres between Naden and Stanly Rivers and the balance at the mouths of the other streams before mentioned.
These fires are peculiar to the Bad Lands, and not uncommon there, owing their origin to forest or prairie blazes which spread to the exposed veins of coal. As these broad, deep deposits of lignite lie near the surface, the fire can be seen through crevasses and fallen sections of crust. Sometimes they burn for years.
Accidental fires in mines of coal or lignite sometimes lead to consequences not only destructive to large quantities of valuable material, but which may, directly or indirectly, produce results important in geography.
Layers of trachytic tuff are interstratified with the deposits of sand, clay, and lignite of the formation known as that of the Brown Coal of Miocene age which underlies nearly the whole of the volcanic district on both sides of the Rhine near Bonn, thus showing that volcanic action had already commenced in that part to some extent; but it does not appear from Dr.
Veins of quartz shone under the metallic plating like cut crystal, like cloudy opals; here was a splash of vermilion, there a patch of amber; bands of pallid ochre stained it. My gaze was caught by a line of inky blackness in the exact center of the falling floor. So black was it that at first glance I took it for a vein of jetty lignite. It widened. It was a crack, a fissure.
In Bohemia, the rich veins of silver of Joachimsthal cut through basalt containing olivine, which overlies tertiary lignite, in which are leaves of dicotyledonous trees. This silver, therefore, is decidedly a tertiary formation.
The fundamental rocks of this region belong to the Silurian, Devonian, and Carboniferous systems, consisting of schists, grits, and limestones, with occasional horizontal beds of Miocene sandstone and shale with lignite, resting on the upturned edges of the older rocks.
This volcanic formation resembles one, presently to be described, in Chiloe. This island lies between the Chonos and Chiloe groups: it is about eight hundred feet high, and perhaps has a nucleus of metamorphic rocks. The strata which I examined consisted of fine-grained muddy sandstones, with fragments of lignite and concretions of calcareous sandstone.
Word Of The Day
Others Looking