Descriptions of the solid forms will be found in the articles on asphalt or asphaltum, albertite, elaterite, gilsonite, hatchettite and ozokerite.
Cements such as marine glue are solutions of shellac, india-rubber or asphaltum in benzene or naphtha.
Extremely valuable and varied marls, kaolins and clays, fuller's earth, asphaltum and mineral waters show special promise in the state's industry.
Of the Canadian river are extensive deposits of asphaltum, but their development has been undertaken only on a small scale: in 1908, 2402 short tons were put on the market, the value being $23,820.
2315) for obtaining oil from crushed seeds, or from refuse cake, by the solvent action of volatile hydrocarbons from "petroleum, earth oils, asphaltum oil, coal oil or shale oil, such hydrocarbons being required to be volatile under 212° F."