Metamorphic Marble Fudge
By Fureya Nelson Riggott FUREYA NELSON RIGGOTT made a fantastic geological recipe book in a previous Rockstar competition. Here we share three of her recipes to illustrate three different kinds of rock: one sedimentary, one igneous and one metamorphic. This is the third, or more specifically, metamorphic marble fudge. Metamorphic rock is formed when limestone is exposed to high temperatures and pressures. The word ‘marble’ comes from...
Edible Sedimentary Oolitic Limestone
By Fureya Nelson Riggott FUREYA NELSON RIGGOTT made a fantastic geological recipe book in a previous Rockstar competition. Here we share three of her recipes to illustrate three different kinds of rock: one sedimentary, one igneous and one metamorphic. Let’s start with sedimentary, or more specifically, Oolitic limestone. Oolitic limestone was formed in England in the Jurassic Period, and forms the Cotswold Hills, the Isle of...
Pancake Rocks
By Kate Salmon Where were pancakes invented? New Zealand of course! They have the oldest pancakes in the world, 33 million years old that is… Are they still edible? KATE SALMON investigates… On the West Coast of New Zealand South Island, in the small town of Punakaiki, people from all over the world gather to see these rocks. The coastline around the town is made up of what appears to be stacks of giant pancakes. They look like...
Puddingstone Cake
By Susanna van Rose Britain has lots of pebble beaches. What happens to these huge collections of shingle when they turn into rock? SUSANNA VAN ROSE explains by using a fruit and nut cake you can make at home. What is a conglomerate? A real, proper conglomerate should be made of rounded pebbles, some of which touch each other. In between the pebbles is fine-grained material, often sandy in texture, which holds everything together....
Igneous Obsidian Toffee
By Fureya Nelson Riggott FUREYA NELSON RIGGOTT made a fantastic geological recipe book in a previous Rockstar competition. Here we share three of her recipes to illustrate three different kinds of rock: one sedimentary, one igneous and one metamorphic. This is the second, or more specifically, igneous obsidian toffee. Obsidian is a igneous rock type that is a natural glass very rich in silica (around 70%) and low in water. It is...
Dig Deeper: Week 3 – Coastal Defences at Lyme Regis
Week three of our Dig Deeper series takes Rockwatchers to a place many consider to be the birthplace of earth sciences – Lyme Regis. Retired teacher and resident expert in geography and geology of Weymouth and its surrounding areas, Alan Holiday explores why Lyme Regis is such a haven for geologists. As a regular Rockwatch magazine contributor and field trip leader, Alan is the perfect person to show us why the underlying geology at...