Environmental factors for around 422 million years ago in the future Voyage area
Rock Name
Aymestry Limestone Formation
Lithology (appearance)
Blue-grey, nodular argillaceous limestone with greenish shaly calcareous mudstone
Period
Silurian
How old
Around 422 million years
Environment of rock formation
Shallow continental shelf sea, with occasional severe storms producing big accumulations of broken shells.
Climate
Warm – sub-tropical
Latitude
32′ S of Equator
Oxygen as percentage of atmosphere
17% (21% today)
Carbon Dioxide as parts per million of atmosphere composition
3000ppm (around 415ppm today and rising)
Maximum day time temperatures
30’C
Minimum night time temperature
15’C
Sea temperature
26’C
Weather risk
Occasional storms with large waves
Midday Sun
Sun high in northern sky
UV index
9
Earthquake risk (scale 1 low risk to 9 high risk)
6
Tectonic
Shelf sea on edge of the closing Iapetus Ocean.
Volcano risk
Distant volcanoes – ash fall possible
Top predator
Sharks
Animal Life
Rich marine like
Plant Life
Humidity
Rainfall
Wind
Day length
21 hours
Days in year
415