Earth Story Trail Gallery The start of the Earth Story Trail. Credit: Cornwall Sea to Stars/A Heward The start of the Earth Story Trail. Credit: Cornwall Sea to Stars/A Heward The start of the Earth Story Trail. Credit: Cornwall Sea to Stars/A Heward The Archean Eon is the second point in the Earth Story Trail. Credit: A Heward/Cornwall Sea to Stars The Earth Story Trail signs for the Paleozoic Era, which has six geological periods, the Cambrian, the Ordovician, the Silurian , the Devonian, the Carboniferous and the Permian. Credit: Cornwall Sea to Stars / A Heward The Earth Story Trail signs for the Mesozoic Era, which has three geological periods, the Triassic, the Jurassic and the Cretaceous. Credit: Cornwall Sea to Stars/A Heward Looking at rock samples that illustrate the Earth Story trail. Credit: A Heward/Cornwall Sea to Stars Looking at rock samples that illustrate the Earth Story trail. Credit: A Heward/Cornwall Sea to Stars Each sign in the Earth Story trail comes with a shelf that can be used to hold rock samples to illustrate the geology of the eon, era or geological period described. Credit: A Heward/Cornwall Sea to Stars Marking out the Earth Story Trail in Willow Field on Wednesday 19 July 2023. Credit: Cornwall Sea to Stars/A Heward Marking out the Earth Story Trail in Willow Field on Wednesday 19 July 2023. Credit: Cornwall Sea to Stars/A Heward Marking out the Earth Story Trail in Willow Field on Wednesday 19 July 2023. Credit: Cornwall Sea to Stars/A Heward Marking out the Earth Story Trail in Willow Field on Wednesday 19 July 2023. Credit: Cornwall Sea to Stars/A Heward Marking out the Earth Story Trail in Willow Field on Wednesday 19 July 2023. Credit: Cornwall Sea to Stars/A Heward The Earth Story Trail starts with the Hadean Eon. Credit: A Heward/Cornwall Sea to Stars Marking out the Earth Story Trail in Willow Field on Wednesday 19 July 2023. Credit: Cornwall Sea to Stars/A Heward Clint O’Connor, the mastermind behind the Earth Story Trail. Credit: A Heward/Cornwall Sea to Stars Brian Sheen at the Astronomy Hub at Truro High School for Girls. Credit: Cornwall Sea to Stars/A Heward