id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
work_twczeokm2nh4xbk3vu6v64zpey	A. M. Thibodeau	The strange case of the earliest silver extraction by European colonists in the New World	2007	4	.pdf	application/pdf	3959	391	71	La Isabela, the first European town in the New World, was established in 1494 by the second expedition of Christopher Columbus archaeological science � historical metallurgy � La Isabela � lead isotopes Isabela were attempting to recover silver from galena by cupellation. The galena was reduced to metallic lead, a process that found and assayed galena from Caribbean ore deposits. lead mineralization is scarce in the Greater Antilles, galena is The isotopic composition of lead in the ore and slag samples Pb isotope ratios measured on samples of galena and lead silicate slag from La Isabela G, galena; S, lead silicate slag; R, repeat measurement. Comparison of lead ore and lead silicate slag from La Isabela with to La Isabela as a reagent for assaying ores for precious metals. assays by smelting precise amounts of galena with other powdered ores together in a crucible so that the resulting lead would	./cache/work_twczeokm2nh4xbk3vu6v64zpey.pdf	./txt/work_twczeokm2nh4xbk3vu6v64zpey.txt