Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Igneous rock
|
| gptkbp:associatedWith |
obsidian
pumice |
| gptkbp:color |
light-colored
|
| gptkbp:composition |
high silica
|
| gptkbp:density |
2.4–2.6 g/cm³
|
| gptkbp:eruptionTemperature |
650–800°C
|
| gptkbp:extrusive |
true
|
| gptkbp:firstDescribed |
1860
|
| gptkbp:formationEnvironment |
volcanic eruptions
|
| gptkbp:foundIn |
continental crust
|
| gptkbp:hasResource |
gptkb:biotite
gptkb:hornblende feldspar quartz |
| https://www.w3.org/2000/01/rdf-schema#label |
Rhyolite
|
| gptkbp:location |
gptkb:Iceland
gptkb:New_Zealand gptkb:Yellowstone_National_Park |
| gptkbp:nameOrigin |
Greek 'rhyax' meaning 'stream of lava'
|
| gptkbp:porphyritic |
sometimes
|
| gptkbp:similarTo |
Granite
|
| gptkbp:texture |
fine-grained
|
| gptkbp:uses |
construction
decorative stone |
| gptkbp:volcanicOrigin |
true
|
| gptkbp:weathering |
forms clay minerals
|
| gptkbp:bfsParent |
gptkb:Lava
|
| gptkbp:bfsLayer |
5
|