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01189nam a2200265 a 4500 001 6ABF5E1E2AEA11DE9E208406A8D7520A 005 200904161955.0 008 900110s1989 maua b 00110 eng d 020 $a 9780962360503 020 $a 0962360503 040 $a IaU $c IaU $d SILO 100 1 $a Shaub, Benjamin M. $q (Benjamin Martin) 245 1 $a The origin of agates, thundereggs, Bruneau jasper, septaria and butterfly agates : $b a new syngenetic theory for the origin of the siliceous and carbonaceous nodules vs. the 200 year old epigenetic infilled cavity theory for the origin of these nodules / $c Benjamin Martin Shaub. 250 $a 1st ed. 260 $a Northampton, MA : $b Agate Pub. Co., $c 1989. 300 $a 105 p. : $b ill. (some col.) ; $c 27 cm. 500 $a Cover title: Origin of agates, thundereggs and other nodular structures. 504 $a Includes bibliographical references. 650 0 $a Agates. 650 0 $a Precious stones. 740 0 $a Origin of agates, thundereggs and other nodular structures. 939 $a 2505804 941 $a 1 952 $l OVUX522 $d 20180124040455.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=6ABF5E1E2AEA11DE9E208406A8D7520AInitiate Another SILO Locator Search