The Naturalist in Nicaragua |
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Page 70
The gold - mines of Santo Domingo are in veins or lodes of auriferous quartz that
run parallel to each other , and are so numerous that across a band more than a
mile in width one may be found every fifty yards . All that have been worked vary
...
The gold - mines of Santo Domingo are in veins or lodes of auriferous quartz that
run parallel to each other , and are so numerous that across a band more than a
mile in width one may be found every fifty yards . All that have been worked vary
...
Page 77
Origin of Mineral Veins 77 plete gradation from veins of perfectly crystallised
granite , through others abounding in quartz at the expense of the other
constituents , up to veins filled with pure quartz , as at Porth Just , near Cape
Cornwall ; and ...
Origin of Mineral Veins 77 plete gradation from veins of perfectly crystallised
granite , through others abounding in quartz at the expense of the other
constituents , up to veins filled with pure quartz , as at Porth Just , near Cape
Cornwall ; and ...
Page 200
Going down the valley of the Depilto the massive beds of quartz and gneiss are
soon succeeded by overlying , highly inclined , and contorted schists , and as far
as where the road from Ocotal to Totagalpa crosses the river , the exposures of ...
Going down the valley of the Depilto the massive beds of quartz and gneiss are
soon succeeded by overlying , highly inclined , and contorted schists , and as far
as where the road from Ocotal to Totagalpa crosses the river , the exposures of ...
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America amongst ancient animals ants appear attacks beautiful beetles believe birds body branches brought called carried cattle Central America clear close colour common continued covered crossed dark direction distance excepting feet flowers followed forest four fruit glacial grass green ground growing head hills hundred Indians inhabitants insects islands lake land latter leaves less live look maize miles mines mountain mules natives natural nearly nest never Nicaragua night numerous origin passed plains plantains plants probably protection quartz range reached reason resemblance rising river road rocks running Santo Domingo savannahs seen side sometimes soon species stones surface taken told town travelling trees tropical turned valley variety veins wasp whilst whole young