Purbeck stone Purbeck stone Purbeck stone refers to building stone taken from a series of limestone beds found in the Upper Jurassic to Lower Cretaceous Purbeck Group, found on the Isle of Purbeck, Dorset in southern England. The best known variety of this stone is Purbeck Marble. The stone has been quarried since at least Roman times up to the present day. The Purbeck Group is a sequence of sedimentary rocks that were deposited in a shallow freshwater to brackish lagoonal setting. It ranges in age from Tithonian to Berriasian. Limestone beds are developed at various levels throughout the sequence, each with
Shining Stone Community Action Shining Stone Community Action Shining Stone Community Action (SSCA; Chinese: 社区参与行动) is a Beijing-based non-profit organization whose mission is to engage citizens in public decision making. The organization works in accordance with the International Association for Public Participation's (IAP2) seven core values for the practice of public participation. The organization acts on the local level and throughout China to promote sustainable participatory governance reforms with the intention of making more exceptional, democratic, and efficient decisions. For that reason, SSCA has adopted western methods of public participation (for example, open space, community organizing, or mediation) in China. The NGO was founded