The rock formations of the state furnish building stones of great value.
The geological formations thus exposed show that the plateaus are composed of a base of eruptive material, overlaid by enormous deposits of reddish sandstones, conglomerates and quartzites, exposed in parts to a depth of 2000 feet.
It is one of the most rapid and economical which can be employed in soft formations, but where hard rock is encountered it is almost useless.
Along the whole northern rim of Bosnia, as also in the fluvial and Karst valleys (poljes), are found diluvial and alluvial formations, interrupted at one place by an isolated granite layer.
(Lefebvre), all new formations since the outbreak of the war, followed some marches in the rear.
These new structures would rest uncomfortably upon eroded formations and this, Wayland Vaughan points out, is what we actually observe in the case of living and fossil coral reefs.
Volcanic formations, so far as is known, occur chiefly along the north-western border-range of the great plateau.
The geological formations represented include: Post-Cretaceous and Recent Cretaceous.
The Lias and Oolite formations are well represented, but the Sequanian and Kimmeridgian subdivisions are absent.
The Oligocene and Miocene formations are present, but the Upper Miocene is confined to the coast.
Such formations as "Caesariani," "Pompeiani").
The series appears to be in line with Geology similar formations at Tripoli in Africa, Cagliari in and Water Sardinia, and to the east of Marseilles.
The desert was flat, the rock formations and canyons plentiful.
Under the heading of Multituberculata will be found a brief account of certain extinct mammals from the Mesozoic formations of Europe and North America which have been regarded as more or less nearly related to the monotremes.
Dr Jack, late government geologist of Queensland, considers the extent of the coal-fields of that state to be practically unlimited, and is of opinion that the carboniferous formations extend to a considerable distance under the Great Western Plains.
Geologically considered, the country may be divided into three regions - a central, and the largest, comprising the whole width of the Aravalli system, formed of very old sub-metamorphic and gneissic rocks; an eastern region, with sharply defined boundary, along which the most ancient formations are abruptly replaced by the great basin of the Vindhyan strata, or are overlaid by the still more extensive spread of the Deccan trap, forming the plateau of Malwa; and a western region, of very ill-defined margin, in which, besides some rocks of undetermined age, it is more or less known or suspected that Tertiary and Secondary strata stretch across from Sind, beneath the sands of the desert, towards the flanks of the Aravallis.
Save for the consequences of these phonetic changes, Umbrian morphology and syntax exhibit no divergence from Oscan that need be mentioned here, save perhaps two peculiar perfect-formations with -1- and -nci-; as in ampelust, fut.
Mechnikov considered the plate thus formed at the base of the polyp as equivalent to the umbrella, and the body of the polyp as equivalent to the manubrium, of the medusa; on this view the marginal tentacles almost invariably present in medusae are new formations, and the tentacles of the polyp are represented in the medusa by the oral arms which may occur round the mouth, and which sometimes, e.g.
It appears, however, to have been partly derived from yet earlier Tertiary deposits (Eocene); and it occurs also as a derivative mineral in later formations, such as the drift.
The latter may develop stereom, and may also be the seat of origin of new formations of various kindse.g.
On the other hand, ecological plant geography seeks to ascertain the distribution of plant communities, such as associations and formations, and enquires into the nature of the factors of the habitat which are related to the distribution of plantsplant forms, species, and communities.
Scierophyllous formations, e.g., garigues, maquis, and forests I
Coniferous forest formations, e.g., of Pinus sylvestris, Picea f~
The Tertiary formations occupy large areas in S.
The older formations are nearly all overlaid by deposits of the Quaternary period, which will be described last.
Wherever stratification is observed in these formations in Mississippi, it shows a dip west and south of 20 or 30 ft.
Remote regions which are floristicafly distinct ~ may possess areas physically almost identical and yet be iered by different formations (Clements,I 1905: 203).
Steppe and desert formations are of the open type.
Finally, within any district of constant or fairly constant climatic conditions, it is possible to distinguish plant communities which are related chiefly to edaphic or soil conditions; and the vegetation units of these definite edaphic areas are the plant formations of some writers, and, in part, the edaphic formations of Schimper.
Upper Cretaceous formations in America have yielded a copious flora of a warm-temperate climate from which it is evident that at least the generic types of numerous not closely related existing dicotyledonous trees had already come into existence.
Thus the scenery of a limestone country depends on the solubility and permeability of the rocks, leading to the typical Karst-formations of caverns, swallowholes and underground stream courses, with the contingent phenomena of dry valleys and natural bridges.
In the middle Eocene formations of North America occurs the more specialized Uintatherium (or Dinoceras), typifying the family Uintatheriidae, which also contains species sometimes Restored skeleton of Uintatherium (Dinoceras) mirabile.
(Reins Japan and Milne in Things Japanese.) The above conditions suggest the presence of tertiary formations, vet only the younger groups of that formation appear to be developed.
Besides the imposing proportions of its chambers, the cavern is remarkable for the variegated beauty of its stalactite formations, some resembling transparent drapery, others waterfalls, trees, animals or human beings, the more grotesque being called by various fanciful appellations.
On the other hand, the same observations go to show that the disease is met with oftener on the more recent formations than the older, and this fact, so far as concerns the physical characters of the soil, is identical with the questions of permeability to air and water.
As in the case of similar formations generally, they are endowed with a sensitiveness to touch which enables them to grasp and coil themselves round any suitable object which comes in their way, and thus to support the plant.
Veins and flat deposits below the general level Boring of the country; or the outcrop lies beyond the limits of the property or under water or water-bearing formations, or is covered by quicksand, or is deeply buried.
Below Bingen the formations belong almost entirely to the PostTertiary period.
This, one of the most difficult problems of pathology, is being attacked by many able workers, who are all striving from different standpoints to elucidate the nature of these new formations, which spring from the normal tissues in which they develop and which they destroy.
Within this nearly complete circle of crystalline rocks several geological formations have been determined, of which the age cannot be more definitely fixed than that they are vastly older than the Karroo formation and newer than the Swaziland schists.
Compared with other formations they occupy restricted areas, being only met with south of Johannesburg, around Wolmaransstad, Lichtenburg and east of Marico.
It consists of a series of plateaus formed of sedimentary rocks which mainly belong to three formations of widely separated ages, and which rest on a platform of granitic and metamorphic rocks.