Definition
Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat
A carbonate rock which is matrix supported and contains over 10% allochems in a carbonate mud matrix.
History
Origin
France
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Discoverer
Unknown
Unknown
Etymology
From French, Latin lignum wood + -ite1
From the English mud and stone, from low German mudde and stainaz
Class
Sedimentary Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Soft Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock