Gold: its occurrence and extraction: Embracing the geographical and geological distribution and the mineralogical characters of gold-bearing rocks; the peculiar features and modes of working shallow placers, rivers, and deep leads; hydraulicing ... a bibliography of the subject; and a glossary of English and foreign technical terms
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sluices undercurrent sluice Evans and Freys sluice groundsluice working results
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alluvial alluvial gold alluvium appears assay auriferous auriferous quartz average yield Ballarat basalt bed-rock beds character chloritic claim clay considerable contain gold copper Creek crushed decomposed deep leads deposits depth detritus Devonian diggings diorite discovered district drift dykes extent flat formation geological gneiss gold gold is found gold-bearing gold-dust gold-fields gold-mines gold-washing granite gravel Gully hills hornblende iron iron-pyrites latter less localities lower metamorphic metamorphic rocks miles miners mines mountain mullock native nearly nuggets obtained payable places Pliocene porphyry portion precious metal present probably produced prospecting pyrites quantity of gold quartz reefs quartz veins quartzite range rich river rocks sand sandstone schists shaft side Silurian silver slate sluicing South specimens stone strata stream strike strike and dip sulphurets surface syenite Tambaroora thickness tons trachyte traversed tributaries upper valley Victoria washed whilst width Yeniseisk yield of gold