Download PDF - Speleogenesis
Download PDF - Speleogenesis
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PLATE 4 MORPHOLOGIC SUITE OF RISING FLOW: FEEDERS<br />
Plate 4. Feeders: point features in passage floors and lower walls. A = Deep Cave, TX, USA (Cretaceous limestone); B, C, D and E =<br />
Amazing Maze Cave, TX, USA (Cretaceous limestone); G = Caverns of Sonora, TX, USA (Cretaceous limestone); F = Dry Cave, NM, USA<br />
(Permian limestone). Photos by A. Klimchouk.<br />
Note: A feeder in Amazing Maze Cave, TX (photo D), is rimmed with a massive deposit of endellite (hydrated halloysite), a clay alteration<br />
mineral indicative of sulfuric acid. Other occurrences of endellite rimming feeders are found in Endless Cave, Guadalupe Mountains, NM<br />
(see Plate 2-I).