Environmental factors for around 306 million years ago in the Voyage area
Rock Name
Halesowen Formation
Lithology (appearance)
Grey-green, micaceous sandstone (litharenite), and grey-green mudstone, with thin coals and limestone beds known as the ‘Spirobis’ limestone, with local intraformational conglomerate, strata may be reddened, locally.
Period
Carboniferous
How old
Around 306 million years
Environment of rock formation
Open shallow shelf sea, with intense evaporation of sea water. Similar to Red Sea of today’s world.
Climate
Equatorial
Latitude
On the equator
Oxygen as percentage of atmosphere
35% (21% today)
Carbon Dioxide as parts per million of atmosphere composition
340ppm (around 415ppm today and rising)
Maximum day time temperatures
32’C
Minimum night time temperature
18’C
Sea temperature
Weather risk
Lightning
Midday Sun
Sun high in northern sky
UV index
8
Earthquake risk (scale 1 low risk to 9 high risk)
6
Tectonic
Variscan Mts eroded to low profile
Volcano risk
None in area
Top predator
Scopion
Animal Life
Big insects, big millipedes, scorpions and spiders.
Plant Life
On land plants spread creating new habitats
Humidity
High
Rainfall
Monsoonal
Wind
Day length
22.9 hours
Days in year
383