A few candidates for terrestrial fungi of immense age have been found, but these were in estuary sediments, and could as easily have lived on location as been washed off the land.
This is possible because it is sitting on an underlying platform of weak, pliable sediments.
NGH is commonly known as "combustible ice" as it looks like ice and burns easily, and it is mainly found in deep-sea sediments or permafrost areas.
