TY - BOOK AU - Wright,J.B. AU - Mason,J. ED - Open University TI - Silicates (motion picture) PY - 1973/// CY - Milton Keynes PB - The Open University Press KW - Silicates N1 - Contents: 1. The silicate tetrahedron - 2. Formation of silicate polytetrahedron by oxygen sharing - 3. The olivine structure - 4. The amphibole structure - 5. Sheet silicates - the talc & mica structures, the Al-Si substitution of silicate structures within the earth; Backup in U-matic ER -