Environmental factors for around 334 million years ago in the Voyage area

Rock Name
Cromhall Sandstone Formation  (former name Drybrook Sandstone)

Lithology (appearance)
Fine to coarse-grained quartzitic sandstone, thin mudstones and sparse thin limestones. Some conglomerates.

Period
Carboniferous

How old
Around 334 million years

Environment  of rock formation
Rivers draining southward over low lying coastal plain

Climate
Equatorial

Latitude
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
35’C

Minimum night time temperature
20’C

Sea temperature
30’C

Weather risk
Torrential rainstorms. River and coastal flooding. Heat

Midday Sun
Sun overhead no shade.

UV index
10

Earthquake risk (scale 1 low risk to 9 high risk)
8

Tectonic
Land rising as Variscan Orogeny starts to impact.

Volcano risk
None in area

Top predator
Scorpions

Animal Life
Insects, scorpions, spiders, millipedes, centipedes

Plant Life
Giant ferns, Lepidodendrons and club mosses

Humidity
High

Rainfall
High in wet season

Wind

Day length
22 hours

Days in year
398