Environmental factors for around 348 million years ago in the Voyage area

Rock Name
Gully Oolite Formation  (former name Crease Limestone)

Lithology (appearance)
Oolitic (in places) limestones, with beds of broken up marine skeletal material.

Period
Carboniferous

How old
Around 348 million years

Environment  of rock formation
Limestones forming in a sea like that of the Bahamas of today.

Climate
Equatorial

Latitude
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
40’C

Minimum night time temperature
18’C

Sea temperature
30’C

Weather risk
Extreme heat. Storm surges.

Midday Sun
Sun almost overhead

UV index
12

Earthquake risk (scale 1 low risk to 9 high risk)
7

Tectonic
Rheic oceanic plate undergoing subduction to south.

Volcano risk
None in area

Top predator
Sharks

Animal Life
Sharks, nautiloids, crinoids, scorpions

Plant Life
Extensive forests on land

Humidity

Rainfall

Wind

Day length
22 hours

Days in year
398