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tuff

tuff

tuff Sentence Examples

  • Where lava has been piled up in successive nearly horizontal sheets, with occasional layers of tuff or other softer rock between them, it offers conditions peculiarly favourable for the formation of escarpments, as in the wide basalt plateaus of the Inner Hebrides.

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  • In the Rudolf province there and are the basalt, lava, tuff and kenyte of the volcanic mineralogy.

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  • The rocks on the verge of the Kisumu province of East Africa are mainly volcanic (basalt, tuff, lava, kenyte).

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  • The top of the heads of the images is cut flat to receive round crowns made of a reddish vesicular tuff found at a crater about 8 m.

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  • Occasional beds of tuff are intercalated among these lavas, and likewise seams of fine clay or shale which have preserved the remains of numerous land-plants.

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  • Like the rest of the cluster, the island is of volcanic origin, with tuff, trachyte and obsidian among its ordinary rocks.

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  • Like the rest of the cluster, the island is of volcanic origin, with tuff, trachyte and obsidian among its ordinary rocks.

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  • varieties of basaltic lava and tuff containing little or no olivine - the rock type known as labradorite.

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  • varieties of basaltic lava and tuff containing little or no olivine - the rock type known as labradorite.

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  • Tuff and travertine are calcareous deposits found in volcanic districts.

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  • Flowing in a deep bed cut in the tuff strata, the river is not navigable.

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  • The lavas are usually porphyrites, which occur in sheets, with intercalated bands of volcanic tuff that are sometimes strongly felsitic. One of the vents by which such materials were ejected occurs in the Braid Hills on the south side of Edinburgh.

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  • At the base there is frequently a conglomerate or tuff of porphyritic rocks.

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  • In the middle of Iceland, where the geological foundation is tuff and breccias, large areas are buried under ancient outflows of lava, which bear evidences of glacial scratching.

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  • At the base there is frequently a conglomerate or tuff of porphyritic rocks.

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  • The remarkable stability of the mountain appears to be due to the innumerable dikes which penetrate the lava flows and tuff beds in all directions and thus bind the whole mass together.

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  • Basalt and tuff, probably of Tertiary age, form the great mass of the Cameroon mountain, also the island of Fernando Po.

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  • Basalt and tuff, probably of Tertiary age, form the great mass of the Cameroon mountain, also the island of Fernando Po.

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  • They consist, in most parts of the country, of unconsolidated sediments, consisting of gravel, sand, clay, &c., together with large quantities of tuff, volcanic agglomerate, &c. Some of the sedimentary formations are of marine, some of brackish water, and some of terrestrial origin.

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  • Large areas are overlain with trachyte, basalt, obsidian, tuff and pumice.

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  • (6) South Sumatra, so far as known, presents everywhere in its valleys the same character as that of the Batang Toru, Batang Gadis, Sumpur, &c. They also are closed in on the north and south by volcanoes "which have here produced similar masses of tuff, with lakes and rivers of the same formation as in the north.

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  • The latter are represented by large contemporaneous deposits of tuff and felsitic lava which in the Snowdon District are several thousand feet thick.

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  • In the vicinity of the Ullughmuz-tagh there exist numerous indications of former volcanic activity, the eminences and summits frequently being capped with tuff, and smaller fragments of tuff are scattered over other parts of the Arka-tagh ranges.

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  • Granby tuff 580,,

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  • two systems. At the close of the Cretaceous period great eruptions of basalt and basaltic tuff took place, especially in the Lisbon area.

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  • The rocks on the verge of the Kisumu province of East Africa are mainly volcanic (basalt, tuff, lava, kenyte).

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  • In the Rudolf province there and are the basalt, lava, tuff and kenyte of the volcanic mineralogy.

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  • Tuff and travertine are calcareous deposits found in volcanic districts.

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  • In the vicinity of the Ullughmuz-tagh there exist numerous indications of former volcanic activity, the eminences and summits frequently being capped with tuff, and smaller fragments of tuff are scattered over other parts of the Arka-tagh ranges.

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  • They consist, in most parts of the country, of unconsolidated sediments, consisting of gravel, sand, clay, &c., together with large quantities of tuff, volcanic agglomerate, &c. Some of the sedimentary formations are of marine, some of brackish water, and some of terrestrial origin.

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  • Granby tuff 580,,

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  • Flowing in a deep bed cut in the tuff strata, the river is not navigable.

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  • (6) South Sumatra, so far as known, presents everywhere in its valleys the same character as that of the Batang Toru, Batang Gadis, Sumpur, &c. They also are closed in on the north and south by volcanoes "which have here produced similar masses of tuff, with lakes and rivers of the same formation as in the north.

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  • The remarkable stability of the mountain appears to be due to the innumerable dikes which penetrate the lava flows and tuff beds in all directions and thus bind the whole mass together.

    1
    0
  • The top of the heads of the images is cut flat to receive round crowns made of a reddish vesicular tuff found at a crater about 8 m.

    1
    0
  • Where lava has been piled up in successive nearly horizontal sheets, with occasional layers of tuff or other softer rock between them, it offers conditions peculiarly favourable for the formation of escarpments, as in the wide basalt plateaus of the Inner Hebrides.

    1
    0
  • The lavas are usually porphyrites, which occur in sheets, with intercalated bands of volcanic tuff that are sometimes strongly felsitic. One of the vents by which such materials were ejected occurs in the Braid Hills on the south side of Edinburgh.

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  • Occasional beds of tuff are intercalated among these lavas, and likewise seams of fine clay or shale which have preserved the remains of numerous land-plants.

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  • Nearly allied are the rock-wallabies of Australia and Tasmania, constituting the genus Petrogale, chiefly distinguished by the thinner tail being more densely haired and terminating in a tuff.

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  • two systems. At the close of the Cretaceous period great eruptions of basalt and basaltic tuff took place, especially in the Lisbon area.

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  • In the middle of Iceland, where the geological foundation is tuff and breccias, large areas are buried under ancient outflows of lava, which bear evidences of glacial scratching.

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  • thick, in which are intercalated thin beds of tuff.

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  • Tuff A type of pyroclastic rock which is derived from the collapse of volcanic ash clouds.

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  • It 's a tuff job but seems like all is well.

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  • Made of "Poly Tuff" 150 denier texturized poly-mesh and super-reinforced.

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  • There's also a side roof that creates a nice shaded area near the camper, and of course Viking's standard "Dura Tuff" roof for all weather conditions.

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  • The Legend still offers Viking's well known "Dura Tuff" roof support, which provides the most protection even when the elements surprise you with high winds or other harsh weather.

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  • Nearly allied are the rock-wallabies of Australia and Tasmania, constituting the genus Petrogale, chiefly distinguished by the thinner tail being more densely haired and terminating in a tuff.

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  • thick, in which are intercalated thin beds of tuff.

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  • tuff job but seems like all is well.

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  • Large areas are overlain with trachyte, basalt, obsidian, tuff and pumice.

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  • The latter are represented by large contemporaneous deposits of tuff and felsitic lava which in the Snowdon District are several thousand feet thick.

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