Results: 1 - 4 of 4
Dec 31, 1969
Earth Sciences Report
… … Eighteen samples of quartzose sand were collected from dune … washed, and analyzed for silica, iron, calcium and … of window glass. The limits of silica and iron contents after …
Jul 31, 2001
Earth Sciences Report
… 25 glaciofluvial, or sand and gravel samples; and 1 preglacial sand and gravel sample. More than …
Jan 23, 2020
Data
… sulphate, marl, tufa, phosphate, silica sand, pumicite, sulphur, fly ash, humalite, and sand and gravel. This dataset is …
Jan 23, 2020
Map
… rare earth elements, salt, sand/gravel, shale, silica sand, stone, sulphur, titanium, …