31. Later the deposits were derived from plutonic rocks and were feldspar rich and cemented by clay. 32. Plutonic rocks also tend to be less texturally varied and less prone to gaining structural fabrics.33. It is operated by Billabong Gold Pty Ltd and located at the Plutonic Well Greenstone Belt. 34. The Plutonic mine produced 173, 000 ounces of gold in 1994, mostly from open pits. 35. Plutonic Resources Ltd . defied the trend, rising 6 cents to A $ 2.60.36. One group of igneous rocks consist of volcanic and plutonic rocks of Late Cretaceous to Paleocene age. 37. Igneous layers are either plutonic or volcanic in character depending upon the cooling rate of the rock. 38. Generally plutonic and volcanic rocks are not greatly affected by zeolite facies metamorphism, although amygdaloidal texture. 39. "' Hornblendite "'is a plutonic rock consisting mainly of the amphibole hornblende. 40. The Buntsandstein contains sandstone with large crystals from plutonic rocks as well as shale and chert fragments.
