Carbonate Concretions Part 2.(Brief Article)(Statistical Data Included) From: Rocks & Minerals | Date: September 1, 1999| Author: DIETRICH, R. V. | COPYRIGHT 1999 Heldref Publications. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

QUESTION: Why are you, a hardrock petrologist, reviewing the literature about carbonate concretions? (From two former students, Daniel McQuire and Robert Butka, consulting geologists, Mount Pleasant, Michigan, after reading my November/December 1996 Rock Chips column.)

ANSWER: Carbonate concretions are of great interest and importance to both geologists and collectors. Indeed, as a group they embody each of the three main subjects covered in Rocks & Minerals: They are ro...

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	Carbonate Concretions Part 2.(Brief Article)(Statistical Data Included) Rocks & Minerals ; QUESTION: Why are you, a hardrock petrologist, reviewing the literature about carbonate concretions? (From two former students, Daniel McQuire and Robert Butka, consulting geologists, Mount Pleasant, Michigan, after reading my November/December 1996 Rock Chips column.) ANSWER: Carbonate concretions
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