The team established that the region contributes substantially to global atmospheric dust due to its diatomite and mega-barchan dunes.
22.
Wind conditions which deflate the erodible sediment now may have created the depression necessary for generating the erodible diatomite in the past.
23.
In the past, deposits of sulphur have been mined, and diatomite ( skeletal algae ) was extracted from lake M�vatn until recently.
24.
The present garden site was operated as an open pit mine from 1929 until 1956, producing over one million tons of crude diatomite.
25.
The worldwide association of diatomite deposits and volcanic deposits suggests that the availability of silica from volcanic ash may be necessary for thick diatomite deposits.
26.
The worldwide association of diatomite deposits and volcanic deposits suggests that the availability of silica from volcanic ash may be necessary for thick diatomite deposits.
27.
The island is renowned for its deposits of diatomite, known in Danish as " moler " which is used for cat litter.
28.
Many media are available for passive hydroponics, but the most common are diatomite, charcoal, sand, shredded newspaper, and rock wool.
29.
The American Diatomite Corporation, from 1935 to 1946, refined a maximum of 145 tons per year from their processing plant near Clermont, Florida.
30.
Other mineral occurrences of potential economic interest included diatomite, geothermal fluids and mineral salts, gold, gypsum, perlite, petroleum, and pumice.
