1 Definition
1.1 Definition
Coquina is a sedimentary rock that is composed either wholly or almost entirely of the transported, abraded, and mechanically-sorted fragments of the shells of molluscs, trilobites, brachiopods, or other invertebrates
Travertine is a mineral consisting of layered calcium carbonate formed by deposition from spring waters
1.2 History
1.2.1 Origin
European Foreland Basins
Italy
1.2.2 Discoverer
Unknown
Marcus Vitruvius Pollio
1.3 Etymology
From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century)
From Italian travertino a kind of building stone, from Tiburs, adjective from Tibur (Tivoli), in Italy
1.4 Class
Sedimentary Rocks
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock