. Transactions and proceedings of the New Zealand Institute . Fig. 7.—Occurrence of Gold. Wealth of Nations Seam of gold. b. Seams of i^ Fig. 8.—Plan of Quartz Block, Keep It Dark Mine. The blocks pitch to the north and are similar in all respects to thosein the Wealth. The gold is free and generally fine, and the ore is poorer in the deeper levels. Aurifer-a . b h b a, ous pyrite runs generally in 11////+//^+%%^/++^tf//t I ^///////// seams and strings through theiiniUi 1+ + . ^.U, Ulim,/ ^^.^^ Stibnite occurs in patches throughout the mine, sometimesaccompanying good gold,
. Transactions and proceedings of the New Zealand Institute . Fig. 7.—Occurrence of Gold. Wealth of Nations Seam of gold. b. Seams of i^ Fig. 8.—Plan of Quartz Block, Keep It Dark Mine. The blocks pitch to the north and are similar in all respects to thosein the Wealth. The gold is free and generally fine, and the ore is poorer in the deeper levels. Aurifer-a . b h b a, ous pyrite runs generally in 11////+//^+%%^/++^tf//t I ^///////// seams and strings through theiiniUi 1+ + . ^.U, Ulim,/ ^^.^^ Stibnite occurs in patches throughout the mine, sometimesaccompanying good gold, some-times the reverse. As a gold is evenly distributed,though sometimes it clings tothe walls of blocks. In the ac-companying section of a face atthe north end of No. 7 levelgood visible gold occurred rightacross, quite independent of the nature of the stone. It is generally found that coarse gold indicates good ore ; where the gold is not visible the ore is poor. I i + + +JV+ +/«■ + Fig. 9.—Section of Face, Keep It Dark .Mine a. Walls. h. Piig seams. c. Seamy White glassy ore. 94 Transoctions. In No. 5 level (800 ft.) a
Size: 2632px × 949px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishe, booksubjectscience
