What's the difference between grauwacke and graywacke?
Grauwacke
Definition:
(n.) Graywacke.
Example Sentences:
Graywacke
Definition:
(n.) A conglomerate or grit rock, consisting of rounded pebbles sand firmly united together.
Example Sentences:
(1) In order to evaluate the degree of morphological preservation of erythrocytes in bloodstains, an accidental human blood smear on white chert and several experimental bloodstains on hard substrates (the same stone-white chert; another type of stone-graywacke; a non-stone support-stainless steel), were stored in a room, in non-sterile and fluctuating conditions, for lengths of time ranging from 3 to 18 months.