|
gptkbp:instanceOf
|
geological formation
|
|
gptkbp:alkali_feldspar_content
|
high
|
|
gptkbp:class
|
plutonic rock
alkaline rock
feldspathoid-bearing rock
|
|
gptkbp:color
|
light-colored
|
|
gptkbp:containsMineral
|
gptkb:biotite
gptkb:pyroxene
gptkb:amphibole
ilmenite
magnetite
apatite
zircon
aegirine
nepheline
sodalite
titanite
alkali feldspar
mafic minerals
cancrinite
|
|
gptkbp:discoveredBy
|
19th century
|
|
gptkbp:economy
|
source of alumina
raw material for ceramics
raw material for glass
source of nepheline
|
|
gptkbp:event
|
gptkb:Brazil
gptkb:Canada
gptkb:Greenland
gptkb:India
gptkb:Norway
gptkb:Russia
gptkb:South_Africa
gptkb:United_States
|
|
gptkbp:formation_environment
|
intrusive
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
nepheline syenites
|
|
gptkbp:namedAfter
|
syenite
nepheline
|
|
gptkbp:quartz_content
|
absent
|
|
gptkbp:related_rock
|
syenite
foyaite
ijolite
lujavrite
|
|
gptkbp:silica_content
|
undersaturated
|
|
gptkbp:texture
|
coarse-grained
phaneritic
|
|
gptkbp:weathering_product
|
zeolites
clay minerals
|
|
gptkbp:bfsParent
|
gptkb:haüyne_(mineral)
|
|
gptkbp:bfsLayer
|
7
|