Sed Rocks Handout 19

Front 1

Draw the following texture

Ooids, Pisoid, Oncoid, Peloid, intraclast, Aggregate

Back 1

Back (Definition)

Front 2

spherical bodies of calcium carbonate less than 2mm in diameter.

Back 2

Ooids

Front 3

rock made up of carbonate ooids although this name does not form part of the Dunham classification of carbonate rocks

Back 3

Oolitic limestone

Front 4

concentrically layered carbonate particles over 2mm across

Back 4

Pisoid

Front 5

round particles made up of fine-grained calcium carbonate found in sediments that do not show any concentric structure and have apparently not grown in water in the same way as an ooid or pisoid

Back 5

Peloid

Front 6

the most widely used scheme for the description of limestone in the field, in hand specimen and in thin- section

Back 6

Dunham classification

Front 7

Draw the limestone classification (Folk)

Back 7

Back (Definition)

Front 8

Draw the dunham classification

Back 8

Back (Definition)

Front 9

Draw the Embry and Klovan classification of Dunham

Back 9

Back (Definition)