Do Elves BURY their dead?

[Rune Son of Bjarne]

I belive that they must have burried their dead or at least have had some form of tradition for what to do with the dead, since the elves somewhat resembles men.

One of the first signs of human activity other than what remains from hunting and so forth is human burrials, we don't know why our ancestors burried their dead but they did.

It could be that it was because they did not like leaving their kin to be eaten by animals, I am quite sure that elves would feel the same way.

Since the elves could be seen at the deadmarshes I take that they did not turn to dust when dead. . .if they did it would have meant that the Nirnaeth Arnoediad would have been a living hell for people with dust allergies and a sourse to extreme coughing for the rest of the participants.

Anyways, I don't seem to remember any massive graveyards of men ever being mentioned. . .if they are then please correct me. Surely men was burried even though the sites is not pointed out to us,