The New Encyclopædia BritannicaEncyclopædia Britannica, 1992 |
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Page 111
... metamorphic rocks rich in iron ) ; it is also found in small amounts in many chondrite meteorites . Clear specimens of good green colour are sometimes cut as gems . Diopside is a calcium and magnesium silicate ( CaMgSiO ) . It forms a ...
... metamorphic rocks rich in iron ) ; it is also found in small amounts in many chondrite meteorites . Clear specimens of good green colour are sometimes cut as gems . Diopside is a calcium and magnesium silicate ( CaMgSiO ) . It forms a ...
Page 353
... metamorphic rocks whose com- position is similar to that of basalt . Eclogites consist primarily of green pyroxene ( om- phacite ) and red garnet ( pyrope ) , with small amounts of various other stable minerals- e.g. , olivine and ...
... metamorphic rocks whose com- position is similar to that of basalt . Eclogites consist primarily of green pyroxene ( om- phacite ) and red garnet ( pyrope ) , with small amounts of various other stable minerals- e.g. , olivine and ...
Page 861
... metamorphic rock of the regional variety along straight or wavy planes ... rocks are usually sub- divided into schist , slate , and gneiss on the basis ... metamorphic rocks are foliated , but most , such as hornfels and granulite , tend ...
... metamorphic rock of the regional variety along straight or wavy planes ... rocks are usually sub- divided into schist , slate , and gneiss on the basis ... metamorphic rocks are foliated , but most , such as hornfels and granulite , tend ...
Contents
14 written for Catherine the Great Observations | 14 |
Consult the INDEX first | 581 |
Didius Julianus marble bust in | 703 |
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