The Naturalist in Nicaragua: A Narrative of a Residence at the Gold Mines of Chontales; Journeys in the Savannahs and Forests. With Observations on Animals and Plants in Reference to the Theory of Evolution of Living FormsJ. Murray, 1874 - 403 pages |
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Page 88
... gold and silver , containing about three parts of the former to one of the latter . Besides this metallic alloy ( to which , for brevity , I shall , in the remarks I have to make , give its common designa- Ch . VI . ] QUARTZ LODES . 89 ...
... gold and silver , containing about three parts of the former to one of the latter . Besides this metallic alloy ( to which , for brevity , I shall , in the remarks I have to make , give its common designa- Ch . VI . ] QUARTZ LODES . 89 ...
Page 89
... QUARTZ LODES . 89 tion of gold ) , the quartz lodes contain sulphate of silver , peroxide of manganese , peroxide of iron , sulphides of iron and copper , and occasionally ores of lead . The quartz is generally very friable , full of ...
... QUARTZ LODES . 89 tion of gold ) , the quartz lodes contain sulphate of silver , peroxide of manganese , peroxide of iron , sulphides of iron and copper , and occasionally ores of lead . The quartz is generally very friable , full of ...
Page 90
... quartz veins ; that is , the parts next the existing surface , and has , also , Ch . V1 . ] QUARTZ LODES . 91 perhaps 90 { Ch . VI . THE NATURALIST IN NICARAGUA .
... quartz veins ; that is , the parts next the existing surface , and has , also , Ch . V1 . ] QUARTZ LODES . 91 perhaps 90 { Ch . VI . THE NATURALIST IN NICARAGUA .
Page 91
... QUARTZ LODES . 91 perhaps , originated the belief that auriferous lodes deteriorate in value in depth . I at one time , after having studied the auriferous quartz veins of Australia , advocated this theory which was first insisted upon ...
... QUARTZ LODES . 91 perhaps , originated the belief that auriferous lodes deteriorate in value in depth . I at one time , after having studied the auriferous quartz veins of Australia , advocated this theory which was first insisted upon ...
Page 92
... quartz is then excavated above the topmost level , and thrown down the shafts to the lowest , where it is received into waggons and conveyed to the reduction works . As both the ore and the enclosing rocks are greatly decomposed and ...
... quartz is then excavated above the topmost level , and thrown down the shafts to the lowest , where it is received into waggons and conveyed to the reduction works . As both the ore and the enclosing rocks are greatly decomposed and ...
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Common terms and phrases
amongst ancient animals ants Atlantic attacks beautiful beetles birds branches bushes butterflies carried cattle Central America Chontales colour continued couvade covered crossed dark Depilto dogs Ecitons feet flowers forest formicarium fresh-water fruit glacial period gold grass green Greytown ground hills humming-birds Indians inhabitants insects islands Jinotega Juigalpa lake land larvæ leaf-cutting ants leaves Libertad live lodes longicorn look maize Masaya Matagalpa Mestizos Mexico miles mines mountain mules Nahuatls natives nearly nest Nicaragua night numerous o'clock Ocotal passed plains plants prey probably quartz race rain range reached resemblance Rio Frio river road rocks rocky San Ubaldo Santo Domingo savannahs seen side slope soon Spaniards species spiders steep sting stones surface Teustepe tion told town trachyte travelling trees tropical America valley variety vegetation Velasquez wasp whilst wings yellow young