Earth Sculpture: Or, The Origin of Land-forms |
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Page viii
CHAPTER IX Influence of Rock Character in the determination of Land-forms 195
Joints in Rocks and the part they play in determining Surface- features — Texture
and Minernlogicnl composition of Rocks in relation to Weathering — Forms ...
CHAPTER IX Influence of Rock Character in the determination of Land-forms 195
Joints in Rocks and the part they play in determining Surface- features — Texture
and Minernlogicnl composition of Rocks in relation to Weathering — Forms ...
Page xiii
Sea-cliff cut in Beds dipping Seaward 323 FULL-PAGE PLATES Plate I. Joints in
Granite, Glen Kunach, Cairngorm (from a photograph by W. E. Carnegie Dickson)
to face 200 Plate II. Weathering of Joints in Granite, Cairngorm Mountains (from ...
Sea-cliff cut in Beds dipping Seaward 323 FULL-PAGE PLATES Plate I. Joints in
Granite, Glen Kunach, Cairngorm (from a photograph by W. E. Carnegie Dickson)
to face 200 Plate II. Weathering of Joints in Granite, Cairngorm Mountains (from ...
Page 20
Igneous rocks and schists are traversed by cracks and fissures which usually
ramify irregularly in all directions. In many bedded igneous rocks (lavas),
however, these cracks, or "joints," as they are termed, are so EARTH
SCULPTURE.
Igneous rocks and schists are traversed by cracks and fissures which usually
ramify irregularly in all directions. In many bedded igneous rocks (lavas),
however, these cracks, or "joints," as they are termed, are so EARTH
SCULPTURE.
Page 21
however, these cracks, or "joints," as they are termed, are somewhat more
regular, being, as a rule, disposed at approximately right angles to the planes of
bedding. In certain fine-grained rocks, such as basalt, the jointing is often very
regular, ...
however, these cracks, or "joints," as they are termed, are somewhat more
regular, being, as a rule, disposed at approximately right angles to the planes of
bedding. In certain fine-grained rocks, such as basalt, the jointing is often very
regular, ...
Page 22
More irregular usually are the joints which intersect hard slates and quartz- rock,
these being divided generally much in the same way as schists and amorphous
masses of crystalline igneous rock. There are not a few kinds of rock other than ...
More irregular usually are the joints which intersect hard slates and quartz- rock,
these being divided generally much in the same way as schists and amorphous
masses of crystalline igneous rock. There are not a few kinds of rock other than ...
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Common terms and phrases
accumulation Alps angles anticlines basalt base-level basins become beds broad Carboniferous character cliffs coast-lines cones configuration Cretaceous crust crustal movements crystalline ddbris denudation deposits depressions detritus direction dislocations drainage elevation epigene action epigene agents eroded eruption escarpments eventually feet fiords flexures flow fluvio-glacial deposits folds fracture gently geological structure glacial action glaciers gradually granite ground-moraines Highlands hills hollows horizontal strata ice-sheet igneous rocks inclined indented infrequently irregular islands joints laccoliths lakes land land-forms land-surface lava less limestone low grounds masses materials Mesozoic modified moraines mountain-chain mountain-valleys mountains normal faults North Old Red Sandstone outcrops owe their origin Palaeozoic plain of erosion plateau regions relatively result ridges rock-basins rock-masses sand Sandstone schistose schists Section sediment shales slopes Southern Uplands strata streams and rivers superficial surface surface-features synclinal tectonic tend thickness tion tracts traversed underground undulating usually valleys vertical volcanic
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