Dating neath port talbot
The sandstone formed in Carboniferous swamps 300 million years ago.
Pennant sandstone is a micacous sandstone which has a brown colouration with areas of red staining where iron from pyrite in coal has weathered creating a rust colouration.
This may have been a water supply for Margam Abbey 0.75 kilometres (0.5 mi) to the East.
The Cross of Brancuf an early Christian Sculptured Stone which stands in the church of St Catharine at Baglan.
Also, there is a Latin inscription: FECIT BRANCUF or perhaps BRANCU which when translated reads 'was made by Brancuf'. The English antiquarian John Leland made an extensive journey through Wales c.1536-39 of which he recorded an itinerary.
He passed through Aberafan, which he describes as a "poor village" surrounded by barren ground, though he also describes the area as heavily wooded, not much of which remains today. His portrayal of Aberafan as a small, struggling village suggests that the port was not in great use, especially as traffic to and from Margam Abbey would have ceased following its dissolution in 1536.
The pennant sandstone is made up of two formations which are the Rhondda Member and Brithdir Member.There were Iron Age hill forts on Mynydd Dinas, Mynydd Margam, Mynydd Emroch and other nearby hills.Mynydd Hawdef contains remains of an ancient Iron Age village.The remains of a Chain Home Low early warning radar station are situated in Margam Country Park, dating from World War II (c. Designed to guard against enemy surface craft and submarines in the Bristol Channel, the station comprises three squarish concrete buildings with flat roofs, set on the Margam ridge facing south-east and overlooking the Channel.The most north-westerly building retains the framework of a steel gantry, the base for a rectangular radar transmitter/receiver array, known as a 'bedstead array' from its wires and framework, and is believed to be a unique survivor within the British Isles.