Environmental factors for around 348 million years ago in the Voyage area
Gully Oolite Formation (former name Crease Limestone)
Oolitic (in places) limestones, with beds of broken up marine skeletal material.
Around 348 million years
Environment of rock formation
Limestones forming in a sea like that of the Bahamas of today.
15′ S of Equator
Oxygen as percentage of atmosphere
27% (21% today)
Carbon Dioxide as parts per million of atmosphere composition
450ppm (around 415ppm today and rising)
Maximum day time temperatures
Minimum night time temperature
Extreme heat. Storm surges.
Sun almost overhead
Earthquake risk (scale 1 low risk to 9 high risk)
Rheic oceanic plate undergoing subduction to south.
None in area
Sharks, nautiloids, crinoids, scorpions
Extensive forests on land
Days in year