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Featured articles from Cave & Karst Science Journals
Characterization of minothems at Libiola (NW Italy): morphological, mineralogical, and geochemical study, Carbone Cristina; Dinelli Enrico; De Waele Jo
Chemistry and Karst, White, William B.
The karst paradigm: changes, trends and perspectives, Klimchouk, Alexander
Long-term erosion rate measurements in gypsum caves of Sorbas (SE Spain) by the Micro-Erosion Meter method, Sanna, Laura; De Waele, Jo; Calaforra, José Maria; Forti, Paolo
The use of damaged speleothems and in situ fault displacement monitoring to characterise active tectonic structures: an example from Zapadni Cave, Czech Republic , Briestensky, Milos; Stemberk, Josef; Rowberry, Matt D.;
Featured articles from other Geoscience Journals
Karst environment, Culver D.C.
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Calculating flux to predict future cave radon concentrations, Rowberry, Matt; Marti, Xavi; Frontera, Carlos; Van De Wiel, Marco; Briestensky, Milos
Microbial mediation of complex subterranean mineral structures, Tirato, Nicola; Torriano, Stefano F.F;, Monteux, Sylvain; Sauro, Francesco; De Waele, Jo; Lavagna, Maria Luisa; D’Angeli, Ilenia Maria; Chailloux, Daniel; Renda, Michel; Eglinton, Timothy I.; Bontognali, Tomaso Renzo Rezio
Evidence of a plate-wide tectonic pressure pulse provided by extensometric monitoring in the Balkan Mountains (Bulgaria), Briestensky, Milos; Rowberry, Matt; Stemberk, Josef; Stefanov, Petar; Vozar, Jozef; Sebela, Stanka; Petro, Lubomir; Bella, Pavel; Gaal, Ludovit; Ormukov, Cholponbek;
NSS
Journal of Cave and Karst Studies, 1998, Vol 60, Issue 2, p. 121-125
History of the Guano Mining Industry, Isla de Mona, Puerto Rico
Frank, E. F.
Abstract:
Isla de Mona, Puerto Rico is ringed by hundreds of flank margin caves (Frank 1993; Mylroie et al. 1995). In the late 1800s and early 1900s, ~150,000 metric tons of phosphorite, altered bat guano, were mined from the caves. A high phosphate content made the phosphorite a valuable fertilizer (Wadsworth 1973). Briggs (1974) indicates the guano deposits have been exhausted from seven of the eight largest known cave systems on the island. Many relics from the guano mining days are still present in the caves and surrounding areas today.
Isla de Mona, Puerto Rico is ringed by hundreds of flank margin caves (Frank 1993; Mylroie et al. 1995). In the late 1800s and early 1900s, ~150,000 metric tons of phosphorite, altered bat guano, were mined from the caves. A high phosphate content made the phosphorite a valuable fertilizer (Wadsworth 1973). Briggs (1974) indicates the guano deposits have been exhausted from seven of the eight largest known cave systems on the island. Many relics from the guano mining days are still present in the caves and surrounding areas today.