. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. sed through 1000 feet of sluices with agrade of one inch in HO feet, and was caught in redwood tanks, andfinally passed to six larger tanks for settling. From the tanks theproduct was pumped to filter i) and the filter-cake was sun-dried,ground and sacked. The .sand was freed of heavy black minerals byrunning it over James ore concentrators, which gave a final productcarrying 98% silica. This was used in making .sodium silicate. Thewashed kaolin contained just suf
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. sed through 1000 feet of sluices with agrade of one inch in HO feet, and was caught in redwood tanks, andfinally passed to six larger tanks for settling. From the tanks theproduct was pumped to filter i) and the filter-cake was sun-dried,ground and sacked. The .sand was freed of heavy black minerals byrunning it over James ore concentrators, which gave a final productcarrying 98% silica. This was used in making .sodium silicate. Thewashed kaolin contained just sufficient iron to burn a light straw color, 144 REPORT OF STATK MINERALOGIST. and was used for fancy potter\ and heavy hotel ware. These oper-ations eeased wlien imports of the cheaper Belgian sand were resumedafter tlie war. McKissick Cdtlh Vompanii. Former owner of Kancho Arroyo Seco,a p^rant of .].{.000 acres on which occur many of the clay and sanddeposits described, unlc. These deposits are beinp operated by Bacon& Bacon, under lease held by G. A. Starkweather. Newman (lay Company. Now May E. Newman Clay storage and LoadiuR Sheds, at Carbondalo,Hsed In Bacon operations In that vicinity. If:i^ w illidiawii from the ((iimly as PhiUi(hl})hia Quartz ( producer. (?(•Ah. Lignite was first exploited in Amador County as early as 1&71,according to Goodyear. From then unlil 15 years ajro jiroductioncontinued irregularly. Since tliat time oil for fuel, and electric power,liave replaced coal to such an extent that there has been practically nolignite production. The demand for crude oil and its products is nowso great, without assurance of development of new fields adequate tokeep pace with the increase, that attention is turtiinp to the powi- SACRAMENTO FIKLD DIVISION. 145 bilities of domestic lignite. While there are large deposits of blacklignite in other counties, the brown lignite beds of Amador County arenot only extensive, but also conveniently located, with a
Size: 1311px × 1906px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1850, bookidappendixtojo, bookyear1853
