Chalk

A very fine-grained limestone formed primarily of coccoliths ( calcareous, planktonic haptophyte algae)

Classification

Repute

Property	Type	Description	Default value/units	Example/range of values
General
Name		The item's name	Soil 1	any text
Type		The item's type	Chalk
Category		The item's sub group	Soil
Kind		The item's group	Materials
Notes		Free-form notes regarding this item		any text
Classification
Class		The soil's class	Chk	Chk 1 - 6
State		The soil's state	-	not available
Strict validation		If checked, enforce narrower range of typical geotechnical properties of the soil.	no	yes/no
Mass/Weight densities
See Cohesionless Soils
Drained strength
See Cohesionless Soils
Drained stiffness
See Cohesionless Soils
Help
Help file		Help file providing further information about this soil	Rex.chm
Web site		Web site for the program	www.geocentrix.co.uk/help/

‡ not ISO symbol