The Mesozoic Era saw dramatic changes in environmental conditions, culminating in mass extinction events as well as catalysing exceptional biodiversity.
Environmental changes through the Mesozoic can be broadly categorised into the three main temporal periods, the Triassic, Jurassic and Cretaceous. Within each of these periods, subtle alterations within the main environmental story were present.
The Triassic Period was characterised by hot, desert conditions that began during the preceding Permian Period. During this time, The Jurassic Coast, was located close to the equator within the supercontinent Pangaea, creating considerably warmer environmental conditions. Triassic rocks are dominated by sandstones and muds, coloured red by iron minerals that oxidised in the arid environment.
The Jurassic Period was dominated by marine conditions. Jurassic rocks of sequences of clay, sandstone, then limestone, are characterised by several cycles of sea level rise and gradual fall. The Jurassic ended with a fall in sea level exposing the area as a low-lying coastal landscape.
The Cretaceous Period began with coastal swamp, lagoon, forest and salt flat environments but these were replaced by a large river system and sea level rise towards the middle of the Cretaceous. This sea level rise led to a return of marine conditions. As the continents continued to drift, the Jurassic Coast moved further away from the equator and closer to its present position, creating slightly cooler seas. Sea levels peaked at roughly 200 m higher than those seen today. This high sea level led to the formation of chalk rocks, comprised largely of fossilised plankton.
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: History & Heritage
Activity categories: Free, History & Heritage, Outdoor
Jurassic Coast
Activity type: Attraction, History & Heritage
Activity categories: History & Heritage, Outdoor
Jurassic Coast
Activity type: Attraction
Activity categories: Beaches, Families, Free, History & Heritage, Outdoor
Jurassic Coast
Activity type: Attraction
Activity categories: Beaches, History & Heritage, Outdoor
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: Attraction, History & Heritage
Activity categories: Free, History & Heritage, Outdoor
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: Attraction
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: Attraction, History & Heritage
Activity categories: History & Heritage, Outdoor, Parks & Gardens
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: Activity
Activity categories: Families, Group Friendly, Outdoor, Walking
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: Activity
Activity categories: Families, Garden, Group Friendly, Outdoor
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: Attraction
Activity categories: History & Heritage, Outdoor
Jurassic Coast
Activity type: Activity
Activity categories: Activities, Families, Group Friendly, Nature & Wildlife
Jurassic Coast
Activity type: Activity
Activity categories: Beaches, Group Friendly, Outdoor Activity/Pursuit Centre, Watersports Centre
Jurassic Coast
Activity type: Activity
Activity categories: Beaches, Boat Trips, Group Friendly
Jurassic Coast
Activity type: Activity
Activity categories: Beaches, Diving / Snorkelling, Group Friendly, Outdoor, Rock Pooling, Surfing
Jurassic Coast
Activity type: Attraction
Activity categories: Animal Collection, Families, Nature & Wildlife, Teenagers
Jurassic Coast
Activity type: History & Heritage
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: Attraction
Activity categories: Animals & Nature, Families, Nature & Wildlife, Railway, Transport Attraction
Jurassic Coast
Activity type: Attraction
Activity categories: Museums & Visitor Centres
Jurassic Coast
Activity type: Attraction
Activity categories: Swimming, Waterpark
Jurassic Coast
Activity type: Attraction
Activity categories: Animal Collection, Animals & Nature, Families, Free, Group Friendly, Nature & Wildlife
Jurassic Coast
Activity type: Eating Out
Activity categories: Afternoon Tea, Cafes & Coffee Shops, Families, Farm Shops, Local Produce, Seafood, Veggie & Vegan
Jurassic Coast
Activity type: Eating Out
Activity categories: Cafes & Coffee Shops, Pubs & Bars, Restaurants
Jurassic Coast
Activity type: Eating Out
Activity categories: Afternoon Tea, Cafes & Coffee Shops, Farm Shops, Local Produce, Seafood, Veggie & Vegan
Jurassic Coast
Activity type: Attraction
Activity categories: Botanic Garden, Families, Garden, Group Friendly, Nature & Wildlife, Outdoor
Jurassic Coast
Activity type: Attraction
Activity categories: Animals & Nature, Families, Group Friendly, Nature & Wildlife, Outdoor
beer, exmouth, Jurassic Coast, seaton, sidmouth
Accommodation category: Self-Catering
chesil-beach, golden-cap, Jurassic Coast, west-bay
Accommodation category: Bed & Breakfast
chesil-beach, golden-cap, Jurassic Coast, west-bay
Accommodation category: Bed & Breakfast, Inn, Restaurant with Rooms, Self-Catering
charmouth, golden-cap, Jurassic Coast, lyme-regis
Accommodation category: Agency (Self-Catering), Cottage, Self-Catering
dorchester, durdle-door, Jurassic Coast, lyme-regis
Accommodation category: Cottage, Self-Catering
chesil-beach, golden-cap, Jurassic Coast, west-bay
Accommodation category: Cottage, Self-Catering
beer, exmouth, Jurassic Coast, seaton, sidmouth
Accommodation category: Self-Catering
Jurassic Coast
Accommodation category: Agency (Self-Catering), Cottage, Self-Catering
charmouth, Jurassic Coast
Accommodation category: Camping, Holiday Park
Jurassic Coast, lulworth-cove, lyme-regis, west-bay
Accommodation category: Agency (Self-Catering), Self-Catering
Jurassic Coast
Jurassic Coast
charmouth, golden-cap, Jurassic Coast, lyme-regis
Accommodation category: Agency (Self-Catering), Cottage, Self-Catering
Jurassic Coast
charmouth, golden-cap, Jurassic Coast, lyme-regis
Accommodation category: Self-Catering
durdle-door, Jurassic Coast, kimmeridge, lulworth-cove
Accommodation category: Self-Catering
charmouth, golden-cap, Jurassic Coast, lyme-regis
Accommodation category: Cottage, Self-Catering
abbotsbury, chesil-beach, Jurassic Coast, west-bay
Accommodation category: Apartments, Cottage, Self-Catering
dorchester, durdle-door, Jurassic Coast, lyme-regis
Accommodation category: Camping & Caravan Site, Self-Catering
beer, exmouth, Jurassic Coast, seaton, sidmouth
Accommodation category: Self-Catering
beer, exmouth, Jurassic Coast, seaton, sidmouth
Accommodation category: Holiday Park, Self-Catering
chesil-beach, Jurassic Coast, lyme-regis, west-bay
Accommodation category: Hotel
beer, exmouth, Jurassic Coast, seaton, sidmouth
Accommodation category: Camping, Glamping
charmouth, golden-cap, Jurassic Coast, lyme-regis
Accommodation category: Camping & Caravan Site
Jurassic Coast
Activity type: Activity
Activity categories: Boat Trips, Families, Group Friendly
Jurassic Coast
Activity type: Activity
Activity categories: Boat Trips, Families, Group Friendly, Outdoor
abbotsbury, chesil-beach, Jurassic Coast, west-bay
Accommodation category: Camping, Holiday Park
abbotsbury, chesil-beach, Jurassic Coast, west-bay
Accommodation category: Cottage, Self-Catering
dorchester, durdle-door, Jurassic Coast, lyme-regis
Accommodation category: Cottage, Self-Catering
durdle-door, Jurassic Coast, kimmeridge, lulworth-cove
Accommodation category: Camping, Lodge / Beach Lodge, Self-Catering
abbotsbury, chesil-beach, Jurassic Coast, west-bay
Accommodation category: Cottage, Self-Catering
charmouth, golden-cap, Jurassic Coast, lyme-regis
Accommodation category: Camping, Self-Catering
beer, exmouth, Jurassic Coast, seaton, sidmouth
Accommodation category: Hotel
Jurassic Coast
exmouth, Jurassic Coast, seaton
Accommodation category: Camping & Caravan Site, Holiday Park
Jurassic Coast
Accommodation category: Agency (Self-Catering), Cottage, Self-Catering
abbotsbury, chesil-beach, Jurassic Coast, west-bay
Accommodation category: Camping, Holiday Park
beer, exmouth, Jurassic Coast, seaton, sidmouth
Accommodation category: Camping, Glamping
abbotsbury, chesil-beach, Jurassic Coast, west-bay
Accommodation category: Self-Catering
durdle-door, Jurassic Coast, kimmeridge, lulworth-cove
Accommodation category: Agency (Self-Catering), Self-Catering