Minoan chronology culture was termed Helladic and Cycladic. In 1941 Arne Furumark applied the term Mycenaean to LH and LC. As it is clear that the Mycenaean Greeks dominated at Knossos at some point in Late Minoan (LM), the latter is often included under "Mycenaean" or called "Minoan-Mycenaean". The major study of Cretan pottery was Evans'. A very general stylistic trend was from dark decoration on a light background in the Early Minoan to white and red decorations on a dark wash or slip in Middle Minoan. Finally, there was a return to the earlier manner of dark on light in Late
Minoan civilization is characterized by affluence (wealthy tombs, burials and art) and ubiquitous Knossian ceramic styles, by LM IIIB Knossos' wealth and importance as a regional center apparently declined. Significant remains have been found above the late Minoan I-era Thera ash layer, implying that the Thera eruption did not cause the immediate collapse of Minoan civilization. The Minoans were a sea power, however, and the Thera eruption probably caused significant economic hardship. Whether this was enough to trigger a Minoan downfall is debated. Mycenaean Greece conquered the Minoans during the late Minoan II period, and Mycenaean weaponry has been found in burials