Assertion: gas hydrate | /r/HasProperty | observed as coating
Facets:
value: infrequently
type: TEMPORAL
value: around individual sand grains
type: LOCATION
Source sentences:
text: The natural gas hydrates in these sand-rich intervals in the Mackenzie Delta region mainly occur as pore-filling material in the sand reservoirs and can also infrequently be observed as coatings around individual sand grains.