BulletinU.S. Government Printing Office, 1918 |
From inside the book
Results 1-5 of 42
Page 18
... grams . age of Ounces percent- Weight , Percent- total . age of per toa . mg . age of total . Cumu- lative percent- SiO , per cent . age of total . total . 100 100 3.26 3.26 100.00 100.00 2.76 9.48 100.00 100.00 43.0 43.0 .6 26 7.97 ...
... grams . age of Ounces percent- Weight , Percent- total . age of per toa . mg . age of total . Cumu- lative percent- SiO , per cent . age of total . total . 100 100 3.26 3.26 100.00 100.00 2.76 9.48 100.00 100.00 43.0 43.0 .6 26 7.97 ...
Page 20
... grams be- ing the usual amount . It was found that the lead could be extracted in this way . The next step was to use brine to which sulphuric acid had been added in order to gene- rate hydrochloric acid , al- though it was felt that ...
... grams be- ing the usual amount . It was found that the lead could be extracted in this way . The next step was to use brine to which sulphuric acid had been added in order to gene- rate hydrochloric acid , al- though it was felt that ...
Page 21
... grams of lead extracted , and also the number of grams of acid used up by the ore . One gram of lead theoretically requires 0.3125 gram of HCl to convert it to chloride . If twice that amount of acid was consumed by the ore for every gram ...
... grams of lead extracted , and also the number of grams of acid used up by the ore . One gram of lead theoretically requires 0.3125 gram of HCl to convert it to chloride . If twice that amount of acid was consumed by the ore for every gram ...
Page 23
... grams of 10 - mesh ore and 1,000 c . c . of saturated brine ( 1,210 grams ) , into which the acid was measured , were used . The charges were agitated in 2.5 - liter acid bottles for 24 hours . In the first three tests with each ore the ...
... grams of 10 - mesh ore and 1,000 c . c . of saturated brine ( 1,210 grams ) , into which the acid was measured , were used . The charges were agitated in 2.5 - liter acid bottles for 24 hours . In the first three tests with each ore the ...
Page 25
... grams of ore , crushed to 10 mesh . ] Material tested . Equivalents of acid.a Time Pb . Efficiency of acid . Applied . Consumed . Lead extrac- tion . of leach- ing . Per cent . Per cent . Per cent . Hours . Ore , Chief Consolidated mine ...
... grams of ore , crushed to 10 mesh . ] Material tested . Equivalents of acid.a Time Pb . Efficiency of acid . Applied . Consumed . Lead extrac- tion . of leach- ing . Per cent . Per cent . Per cent . Hours . Ore , Chief Consolidated mine ...
Contents
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Common terms and phrases
acid act entitled amount apply assessment blasting brine Bullionville Bureau of Mines calcine calcium calcium chloride California cars cent lead charge churn drills Civil Procedure clay coal containing controlling accounts copper cost detonators drill holes dump duty dynamite employed employee entitled An act expenses explosive extraction feet flotation gold grams hydrogen sulphide injury iron labor lands Laws leaching lead carbonate lead chloride lease lessee liability licenses lien lime limestone loading March material metals method mill miner mineralogist mining bureau mining claim mining corporation negligence nitroglycerin notice obtained oil and gas operating ounces owner oxidized person plant Portland cement pounds precipitate purpose quarry record roaster roasting rock salt silica silver sodium chloride sodium sulphide soluble solution statute steam shovel stockholders sulphate sulphur supervisor tailing temperature tests thereof tion tons volatilization voucher zinc
Popular passages
Page 50 - The land upon which any building, improvement, well or structure is constructed, together with a convenient space about the same, or so much as may be required for the convenient use and occupation thereof, to be determined by the court on rendering judgment, is also subject to the lien, if at the commencement of the work, or of the furnishing of the...
Page 124 - ... writing or notice by publication in the newspaper published nearest the claim, for at least, once a week for ninety days, and if at the expiration of ninety days after such notice in writing or by publication such delinquent should fail or refuse to contribute his proportion of the expenditure required by this section, his interest in the claim shall become the property of his co-owners who have made the required expenditures.
Page 117 - An act to provide for the establishment, maintenance, and support of a bureau, to be known as the state mining bureau, and for the appointment and duties of a board of trustees, to be known as the board of trustees of the state mining bureau...
Page 124 - ... the claim or mine upon which such failure occurred shall be open to relocation, in the same manner as if no location of the same had ever been made...
Page 130 - Mining claims upon veins or lodes of quartz or other rock in place bearing gold, silver, cinnabar, lead, tin, copper, or other valuable deposits...
Page 130 - The location must be distinctly marked on the ground so that its boundaries can be readily traced. All records of mining claims hereafter made shall contain the name or names of the locators, the date of the location, and such a description of the claim or claims located by reference to some natural object or permanent monument as will identify the claim. On each claim located after the tenth day of May, eighteen hundred and seventy-two, and until a patent has been issued therefor, not less than...
Page 49 - ... and every contractor, subcontractor, architect, builder or other person having charge of the construction, alteration, addition to or repair either in whole or in part of any building, or other improvement as aforesaid shall be held to be the agent of the owner for the purposes of this chapter.
Page 190 - The attorney general, or some competent attorney appointed by him for that purpose, must prosecute such action, and the provisions of the Code of Civil Procedure relating to service of summons, pleadings, proofs, trials, and appeals are applicable to the proceedings herein provided for.
Page 101 - ... of such mine as a mode of escape from underground accident or otherwise. And all corporations, associations, owner or owners of mines, as aforesaid, working at a greater depth than three hundred feet, not having any other mode of egress than from the main shaft, shall proceed as herein provided.
Page 164 - Now, therefore, be it Resolved 'by the Assembly of the State of California (the Senate thereof concurring), That the legislature...