Original:  Foundation Carbon dating artefacts found at Muweilah puts the settlement's original date of establishment at between 850 and 800 BC and  it enjoyed a brief heyday before being destroyed in a fire around 600BC.
Revised:  Foundation Carbon dating artefacts found at Muweilah puts the settlement's original date of establishment at between 850 and 800 BC and archaeological analysis has shown it enjoyed a brief heyday before being destroyed in a fire around 600BC.
Edit intent: meaning-changed