An Unconformity is an erosional or non-depositional surface that separates rocks of two different ages. This is represented by missing sediments in the stratigraphic column. If the time period represented by the missing sediments is small, the unconformity is called a diastem.

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern --A--EM. That is, seven letter words with 3rd letter A and 6th letter E and 7th letter M. In alphabetical order, they are:

diastem

erathem

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern -I---EM. That is, seven letter words with 2nd letter I and 6th letter E and 7th letter M. In alphabetical order, they are:

diastem

misdeem

misseem

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern ----TEM. That is, seven letter words with 5th letter T and 6th letter E and 7th letter M. In alphabetical order, they are:

diastem

subitem

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -IAS--M. That is, seven letter words with 2nd letter I and 3rd letter A and 4th letter S and 7th letter M. In alphabetical order, they are:

diastem