Home » "NCR Trail" "Torrey C. Brown Trail" zeolites "Little Falls" "Jones Falls" "Baltimore gneiss" "John Betts" "Jeff Weissman"
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Tampilkan postingan dengan label "NCR Trail" "Torrey C. Brown Trail" zeolites "Little Falls" "Jones Falls" "Baltimore gneiss" "John Betts" "Jeff Weissman". Tampilkan semua postingan
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An Historic and Obscure Zeolite Occurrence at Monkton, Maryland

Pictured above is an historic specimen displaying numerous microscopic chabazite and heulandite crystals at a contact point on a slab of Bal...
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