The Student's Handbook of Physical GeologyG. Bell, 1892 - 666 pages |
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Page xii
... Pressure . Infiltration . Chemical Change . Heat . Concretions . CHAPTER VII . - JOINTS . Origin of Joints . Cuboidal Jointing . Horizontal Joint- ing . Prismatic Jointing . Articulated and Spheroidal Structures . CHAPTER VIII ...
... Pressure . Infiltration . Chemical Change . Heat . Concretions . CHAPTER VII . - JOINTS . Origin of Joints . Cuboidal Jointing . Horizontal Joint- ing . Prismatic Jointing . Articulated and Spheroidal Structures . CHAPTER VIII ...
Page xiii
... Secular Contraction . Hypo- thesis of Columnar Expansion . Hypothesis of Pressure by Convection Currents . Hypothesis of Cubical Expan- sion . Summary . 621 631 INTRODUCTION . DEF EFINITIONS are never easy , and it CONTENTS . xiii.
... Secular Contraction . Hypo- thesis of Columnar Expansion . Hypothesis of Pressure by Convection Currents . Hypothesis of Cubical Expan- sion . Summary . 621 631 INTRODUCTION . DEF EFINITIONS are never easy , and it CONTENTS . xiii.
Page 13
... pressure , gave a result of 1 ° F. for every 511⁄2 feet.1 At Kentish Town ( London ) a well was sunk to a depth of 1,302 feet , and the temperature at the depth of 1,100 feet was found to be 69.9 , giving a mean rate of increase from ...
... pressure , gave a result of 1 ° F. for every 511⁄2 feet.1 At Kentish Town ( London ) a well was sunk to a depth of 1,302 feet , and the temperature at the depth of 1,100 feet was found to be 69.9 , giving a mean rate of increase from ...
Page 14
... pressure and the fusing - point of rocks , and it is possible that different substances are affected by pressure in a different ratio . It has been supposed that the ratios of pressure and temperature within the earth are such that ...
... pressure and the fusing - point of rocks , and it is possible that different substances are affected by pressure in a different ratio . It has been supposed that the ratios of pressure and temperature within the earth are such that ...
Page 15
Alfred John Jukes-Browne. pressure overcomes the influence of heat , and keeps the rocks solid , in spite of increased temperature . Whether solid or fluid , we may safely assume that the interior of the earth has a very high temperature ...
Alfred John Jukes-Browne. pressure overcomes the influence of heat , and keeps the rocks solid , in spite of increased temperature . Whether solid or fluid , we may safely assume that the interior of the earth has a very high temperature ...
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Common terms and phrases
acid action agencies altered alumina amount anticlinal augite basalt beds blocks bottom calcareous calcite called carbonate of lime carbonic acid chalk channel chemical clay cleavage cliffs coast colour consists coral cracks crystalline crystals currents débris denudation deposits depth described detrition distance district dolerite dykes earth earth's crust Edited elevation erosion eruptions fault feet felspar fissures formation formed fragments Geol Geology glacier glauconite gneiss gradually granite greensand ground hills horizontal hornblende igneous rocks iron island Jukes lakes land lava layers limestone magnesia mass material metamorphic mica miles mineral mountain occur original Orthoclase outcrop oxide particles pebbles planes porphyritic portion pressure produced quartz rain reefs ridge rise river sand sandstone schist shale shells shore side siliceous slope soil solution sometimes stones strata stratified rocks stream structure surface thickness tion tract Translated unconformity valley vertical volcanic