2007-03-07 11:52:07 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Earth Sciences & Geology
The term gavel and sand pertain to size classification only. Gravel and sand can be of any mineral composition or rock type. Gravel size range is from <20mm >2mm.
Where as sand is <2mm >62micron.
Other size classifications are-
clay- <3.9 micron
silt<62micron >3.9micron
sand <2mm >62 micron this includes very fine sand, fine sand,medium sand coarse sand, very course sand.
gravel,pebbles cobbles etc.
The main definition for gravel and sand is- a size classification system.
Nothing to do with mineralogy.
2007-03-07 13:10:20 · answer #1 · answered by Professor Kitty 6 · 0⤊ 0⤋
I have never heard of it. Gravel is crushed granite, about 1 to 2 centimeters across. Sand is rounded quartz grains about 1 millimeters in diameter. Granules are clasts between coarse sand and pebbles (gravel equivalents).
2007-03-07 12:06:51 · answer #2 · answered by Amphibolite 7 · 0⤊ 1⤋
Its whats left after crushing gravel and you get the sand out of it.
I guess.
2007-03-07 11:55:10 · answer #3 · answered by jigd2001 2 · 0⤊ 0⤋
A Very fine rock that is sandlike
2007-03-07 11:55:00 · answer #4 · answered by schrauf1981 2 · 0⤊ 0⤋