Environmental factors for around 245 million years ago in the Voyage area
Pebble conglomerates and reddish brown sandstones. The sandstones are cross-bedded and pebbly. The conglomerates have a reddish brown sandy matrix and consist mainly of pebbles of brown or purple quartzite, with quartz conglomerate and vein quartz.
Around 245 million years
Environment of rock formation
Area in midst of extensive desert, with flash floods and seasonal rivers able to transport large pebbles.
Semi-arid with seasonal rainfall giving flash floods
20′ N of 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
Minimum night time temperature
Flash floods. High temperatures.
Sun high in northern sky
Earthquake risk (scale 1 low risk to 9 high risk)
Midst of supercontinent Panagea
None in area
Bromsgrovia and other early reptiles
Pine like trees growing close to main river channels
Days in year