The Mineral Resources of the Philippine IslandsBureau of Printing., 1908 - Mines and mineral resources |
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Ambos Camarines amount andesite Aroroy average Baguio Batan Island Benguet Binangonan brick Bulacan Bureau of Science Cagayan calcite Cebu cement cent claims clay coal coast contains copper cost cubic meter cyanide Danao deposits division of mines dredge east Eddingfield feet Ferguson geology gold gravel igneous Igorots Ilocos Norte important inch industry iron Journ kiln kilometers lime limestone located Luzon manganese Manila manufacture Marinduque Masbate material mill Mindanao Mindoro MINERAL RESOURCES Mining Company mining district native obtained occurs operations outcrop oxide Pangasinan Paracale Pasig Peninsula pesos Philippine coal Philippine currency Philippine Islands places plant PLATE present probably production Province quantity quarry quartz reported River rock Romblon salt sample sand sandstone schist seams shale silica Smith solution stone streams sulphur surface Surigao Table tank Tayabas tests thickness timber tion tons Total transportation valley veins
Popular passages
Page 79 - That no holder shall be entitled to hold in his, its. or their own name or in the name of any other person, corporation, or association more than one mineral claim on the same vein or lode.
Page 45 - Ores containing less than 40 per cent manganese or more than 12 per cent silica or 0.225 per cent phosphorus are subject to acceptance or refusal at the buyer's option. Settlements are based on analysis of sample dried at 212° F., the percentage of moisture in the sample as taken being deducted from the weight.
Page 45 - Prices are based on ores containing not more than 8 per cent silica or 0.20 per cent phosphorus and are subject to deductions as follows: For each 1 per cent in excess of 8 per cent silica there shall be...
Page 39 - ... a producer gas plant and gas engine are impracticable. For the production of power, the utilization of our low-grade and outcrop coal for producer gas seems extremely promising. This bureau hopes to establish a trial plant at no distant date, and when it is in operation we can add very definite data to our present information. It is hoped that such a plant can compete with the best steam plant, and especially that it can burn successfully the slack and waste products which are not utilizable...
Page 6 - Before filing such location certificate the discoverer shall locate his claim by first sinking a discovery shaft upon the lode to the depth of at least ten feet from the lowest part of the rim of such shaft at the surface, or deeper, if necessary to show a well defined crevice.
Page 36 - The analyses as carried on by the " official method" (J. Am. Chem. Soc. (1899), 21, 1116) indicate Philippine coal to be of a much poorer quality than is actually the case. Barring diluents, water, asli, and sulphur, it is surprising what a general uniformity there is in all Philippine coal, and this fact suggests, if no other reason were apparent, that it was all bedded under about the same conditions. How best to utilize the coal deposits of this country is a question which has long attracted attention...