retrieve the geomaterials whose hardness are lower than an given value.
Source:R/mindat_geomaterials.R
geomaterials_hardness_lt.Rd
: Queries the list of geomaterials that have lower hardness than an given vlaue(hmax).
Arguments
- hmax
float value of the Mohs scale of mineral hardness, which ranging from 0 to 10.
- ...,
Further named parameters.Other optional arguments.