Environmental factors for around 334 million years ago in the Voyage area
Cromhall Sandstone Formation (former name Drybrook Sandstone)
Fine to coarse-grained quartzitic sandstone, thin mudstones and sparse thin limestones. Some conglomerates.
Around 334 million years
Environment of rock formation
Rivers draining southward over low lying coastal plain
13′ S of Equator
Oxygen as percentage of atmosphere
20% (21% today)
Carbon Dioxide as parts per million of atmosphere composition
410ppm (around 415ppm today and rising)
Maximum day time temperatures
Minimum night time temperature
Torrential rainstorms. River and coastal flooding. Heat
Sun overhead no shade.
Earthquake risk (scale 1 low risk to 9 high risk)
Land rising as Variscan Orogeny starts to impact.
None in area
Insects, scorpions, spiders, millipedes, centipedes
Giant ferns, Lepidodendrons and club mosses
High in wet season
Days in year