|
gptkbp:instanceOf
|
geological formation
|
|
gptkbp:color
|
gray
white
yellow
|
|
gptkbp:composedOf
|
calcium carbonate
|
|
gptkbp:density
|
2.3-2.7 g/cm³
|
|
gptkbp:depositionalEnvironment
|
gptkb:marine
gptkb:cave
freshwater
lacustrine
|
|
gptkbp:distribution
|
worldwide
|
|
gptkbp:economicImportance
|
source of lime (CaO)
used in glass making
used in steel manufacturing
|
|
gptkbp:form
|
chalk
travertine
tufa
oolite
fossiliferous limestone
coquina
|
|
gptkbp:formedBy
|
precipitation of calcium carbonate
accumulation of shell, coral, algal, and fecal debris
|
|
gptkbp:fossil
|
may contain fossils
|
|
gptkbp:geologicalAge
|
found in rocks from Precambrian to present
|
|
gptkbp:hardness
|
3-4 Mohs
|
|
gptkbp:hasResource
|
gptkb:calcite
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Limestones
|
|
gptkbp:karstTopography
|
forms caves and sinkholes
|
|
gptkbp:mayInclude
|
gptkb:dolomite
aragonite
|
|
gptkbp:metamorphosedTo
|
marble
|
|
gptkbp:notablePlace
|
gptkb:White_Cliffs_of_Dover
gptkb:Yucatán_Peninsula
gptkb:Great_Pyramids_of_Giza
gptkb:Karst_regions_of_Slovenia
gptkb:Mammoth_Cave,_Kentucky
|
|
gptkbp:origin
|
chemical
biogenic
|
|
gptkbp:permeableTo
|
variable
|
|
gptkbp:porosity
|
variable
|
|
gptkbp:solubility
|
soluble in weak acid
|
|
gptkbp:texture
|
fine-grained
coarse-grained
|
|
gptkbp:type
|
hydrochloric acid
|
|
gptkbp:usedFor
|
gptkb:building
cement production
soil conditioner
aggregate for roads
|
|
gptkbp:weathering
|
susceptible to chemical weathering
|
|
gptkbp:bfsParent
|
gptkb:Wollastonite
|
|
gptkbp:bfsLayer
|
6
|