Environmental factors for around 172 million years ago in the future Bredon Hill area

Rock Name
Birdlip Limestone  (former name Inferior Oolite)

Lithology (appearance)
Pale coloured oolitic limestone

Period
Middle Jurassic

How old
Around 172 million years

Environment  of rock formation
Shallow warm clear seas

Climate
Warm with a wet winter season

Latitude
45′ N of Equator

Oxygen as percentage of atmosphere
20% (21% today)

Carbon Dioxide as parts per million of atmosphere composition
2100ppm (around 415ppm today and rising)

Maximum day time temperatures
29’C

Minimum night time temperature
12’C

Sea temperature
24’C

Weather risk
Occasional torrential rain and high winds

Midday Sun
High in southern sky

UV index
8

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

Tectonic
Major rifting where Atlantic is starting to open.

Volcano risk
None in area

Top predator
Marine reptiles

Animal Life
Dinosaurs – stegosaurus – flying therapods – sauropods

Plant Life
Lush coniferous forests

Humidity
High

Rainfall
High in wet season

Wind
SE?

Day length
23 hours

Days in year
385