Lincolnshire reaching between 4.7 and 5.3 on the Richter magnitude scale; it was one of the largest earthquakes to affect Britain in recent years. Lincolnshire is home to Woolsthorpe Manor, birthplace and home of Sir Isaac Newton. He attended The King's School, Grantham. Its library has preserved his signature, carved into a window sill when he was a youth. Bedrock in Lincolnshire features Jurassic limestone (near Lincoln) and Cretaceous chalk (north-east). For much of prehistory, Lincolnshire was under tropical seas, and most fossils found in the county are marine invertebrates. Marine vertebrates have also been found including ichthyosaurus and plesiosaur .
Statue of Margaret Thatcher (London Guildhall) February 2007, a new statue of Thatcher was commissioned in 2003 from sculptor Antony Dufort and this time in tougher silicon bronze. It was erected on the reserved plinth in the Members' Lobby. The rule against living subjects had been relaxed by this stage and Thatcher unveiled the statue. By then, the marble statue had been repaired, but it remains in Guildhall. After several years in the Guildhall Art Gallery, the statue was moved to a corridor location elsewhere in the Guildhall building. Statue of Margaret Thatcher (London Guildhall) The statue of Margaret Thatcher in the Guildhall, London, is a