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Stock (geology) : ウィキペディア英語版 | Stock (geology)
In geology, a stock is a discordant igneous intrusion having a surface exposure of less than , differing from batholiths only in being smaller.〔GLENCOE SCIENCE | Earth Science Twelfth Grade High School Textbook (Georgia); pg. 115 paragraph 1, pg. 521 question 9〕〔Whittow, John (1984). ''Dictionary of Physical Geography''. London: Penguin, 1984, p. 513. ISBN 0-14-051094-X.〕 Most stocks are probably the cupolas of hidden batholiths. Circular or elliptical stocks may have been vents feeding former volcanoes. ==References==
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