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