Gravel
A rock classification type
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About Gravel
A gravel-grade clastic-sediment.
i. An unconsolidated, natural accumulation of rounded rock fragments resulting from erosion, consisting predominantly of particles larger than sand (diameter greater than 2 mm or 1/12 in), such as boulders, cobbles, pebbles, granules, or any combination of these.
See Also: pebble
Ref: AGI
ii. A popular term for a loose accumulation of rock fragments, such as a detrital sediment associated esp. with streams or beaches, composed predominantly of more or less rounded pebbles and small stones, and mixed with sand that may compose 50% to 70% of the total mass.
Ref: AGI
iii. An engineering term for rounded fragments having a diameter in the range of 1.87 in (47.5 mm) (retained on U.S. standard sieve No. 4) to 3 in (76 mm).
i. An unconsolidated, natural accumulation of rounded rock fragments resulting from erosion, consisting predominantly of particles larger than sand (diameter greater than 2 mm or 1/12 in), such as boulders, cobbles, pebbles, granules, or any combination of these.
See Also: pebble
Ref: AGI
ii. A popular term for a loose accumulation of rock fragments, such as a detrital sediment associated esp. with streams or beaches, composed predominantly of more or less rounded pebbles and small stones, and mixed with sand that may compose 50% to 70% of the total mass.
Ref: AGI
iii. An engineering term for rounded fragments having a diameter in the range of 1.87 in (47.5 mm) (retained on U.S. standard sieve No. 4) to 3 in (76 mm).
Unique Identifiers
Mindat ID:
49404
Long-form identifier:
mindat:1:1:49404:7
Classification of Gravel
Nomenclature for mixtures of gravel, sand and mud.
Sub-divisions of Gravel
Pronunciation of Gravel
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Synonyms of Gravel
Common Associates
Associations Based on Photo Data:
| 1 photo of Gravel associated with 'Andradite-Grossular Series' |
Internet Links for Gravel
mindat.org URL:
https://www.mindat.org/min-49404.html
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References for Gravel
Reference List:
Porz ar Raouenn, Ile-de-Batz, Morlaix, Finistère, Brittany, France