Syenite Sentence Examples

The olive green syenite found on Mount Ascutney, near the Connecticut river, in Windsor county, is a hornblendeaugite.

Geology.'--The Eastern Cordillera., which, however, is but little known, appears to consist, as in Bolivia, chiefly of Palaeozoic rocks; the western ranges of the Andes are formed of Mesozoic beds, together with recent volcanic lavas and ashes; and the lower hills near the coast are composed of granite, syenite and other crystalline rocks, sometimes accompanied by limestones and sandstones, which are probably of Lower Cretaceous age, and often covered by marine Tertiary deposits.

The hills, which are mainly composed of granite, serpentine and syenite, rise in irregular masses to considerable heights, the loftiest point, Victoria Peak, reaching an altitude of 1825 ft.

The basis of the islands consist of granite, syenite, diorite, diabase and related kinds of rock, porphyry appearing comparatively seldonr.

The Nahuatl lapidaries had at hand many varieties of workable and beautiful stone - onyx, marble, limestone, quartz and quartz crystal, granite, syenite, basalt, trachyte, rhyolite, diorite and obsidian, the best of material prepared for them by nature; while the Mayas had only limestone, and hard, tenacious rock with which to work it, and timber for burning lime.

Among the rocks of economic importance may be mentioned granite of numerous kinds, syenite, serpentine, porphyry, marble, sandstones and marls.

Large quantities of this syenite were used in building the Assuan dam (1898-1902).

These are worked in brown basalt, syenite, porphyry, alabaster and limestone.

The materials are quartz crystal, basalt, porphyry, syenite, granite, volcanic ash, various metamorphics, serpentine, slate, dolomite marble, alabaster, many colored marbles, saccharine marble, grey and white limestones.

The most splendid vase is one from Nekhen (Hieraconpolis), of syenite, 2 ft.

The hills are composed principally of granite and syenite, and have little vegetation.

The oldest rocks consist of gneiss and schist, penetrated by dikes and bosses of granite, syenite, porphyry and other intrusive rocks.

Eruptive rocks of Palaeozoic age are met with in the Kola peninsula (nepheline-syenites) and at Kuusamo (syenite).

Great masses of syenite and diorite were intruded during the Tertiary period, and within the curve of the folded belt a line of recent volcanic cones stretches from western Baluchistan into eastern Persia.

The Spiti shales are succeeded conformably by Cretaceous beds (Gieumal sandstone below and Chikkim limestone above), and these are followed without a break by Nummulitic beds of Eocene age, much disturbed and altered by intrusions of gabbro and syenite.

Geologically they belong to the primitive formation - granite, compact dark blue slate, gneiss and syenite.

A syenite massif of this age occurs at Mittagong; and leucite has been discovered in Carboniferous basalts by David.

The parish is rich in antiquities, but the most noted of them - the Stone of Deer, a sculptured block of syenite, which stood near the Abbey - was destroyed in 1854.

The Shumadia is mainly occupied by rocks of Tertiary age, with intervening patches of older strata; and the Rudnik Mountains are traversed by metalliferous veins of syenite.

It occurs in regions of granite, porphyry and syenite, and usually occupies funnelshaped cavities of no great superficial area, but of considerable depth.

His turquoise glazes are obtained by using barium carbonate mixed with soda, feldspar and nepheline syenite.

A dyke of syenite granite here crosses the valley, so hard that the river had nowhere scoured a deep channel through it, and so it was found possible to construct the dam entirely in the open air, without the r t000 Acres 1800 Acr s '?

Adur Stonecrops The Beadlet Anemones, Actinia equina, in the third image (far right) are from the syenite rock sea defenses.

Great masses of granite, syenite and diorite were intruded at this period, and send tongues even into the andesitic tuffs.