Similarities in lithology and heavy mineral suites between the Jacobsville Sandstone and the Bayfield group, a similar sandstone located in northern Wisconsin, suggest they may be correlated.
42.
Although most ilmenite is recovered from heavy mineral sands ore deposits, ilmenite can also be recovered from layered intrusive sources or " hard rock " titanium ore sources.
43.
Although the trunk line from Neyland and Swansea connected to the Great Western system, the heavy mineral traffic from South Wales was not greatly transferred to the line.
44.
World monazite resources are estimated to be about 12 million tons, two-thirds of which are in heavy mineral sands deposits on the south and east coasts of India.
45.
In most cases, fossilised dune systems are exploited for heavy mineral sands because they are from the ocean and because they are often remnants of previous intraglacial highstands.
46.
The coarse ( r ) sediment fraction accumulates in the ridges, whereas dark heavy minerals and mica trails take up an intermediate position between the ridges and the grooves.
47.
Heavy mineral traffic declined after the end of World War II, and the A7s moved to the Hull area, except for Nos . 1181 and 1192 which stayed at Stockton.
48.
Concentrates exist of the heavy minerals cassiterite ( a primary source of tin ), and coltan ( used to manufacture electronic capacitors, used in consumer electronics products such as computers ).
49.
It is equally likely that some concentrations of heavy minerals ( aside from the usual gold placers ) exist within streambeds, but most are of a low grade and are relatively small.
50.
Imported from the Italian Alps, where it is bottled from three springs, S . Pellegrino ( universally called " San Pellegrino " ) is a naturally sparkling water with a heavy mineral taste.
