Complex sentence: The impact of earlier Karstification (solutional erosion) has been eliminated by the last glacial period, so any Karstification now seen dates from approximately 10,000 years ago and the island Karst is thus recent.
Split into simpler sentences: The impact of earlier Karstification (solutional erosion) has been eliminated by the last glacial period. So any Karstification now seen dates from approximately 10,000 years ago and the island Karst is thus recent.