McDermott) The basic terminology of igneous petrology. Hand specimen and thin section description of igneous rocks. - 25108 The IUGS mineralogical based classification and nomenclature scheme for phaneritic and aphanitic igneous rocks. IGNEOUS PETROLOGY General Procedures . Introduction to Metamorphism Read Chapter 1 of An Introduction to Metamorphic Petrology by Bruce Yardley or Chapters 22-23 of Igneous and Metamorphic Petrology by John Winter or Chapter 16 of Igneous and Metamorphic Petrology by Philpotts. 2 • Why is the Earth hot inside? Mineral modes. Igneous Rock Igneous rocks are the primary rocks, which are formed due to cooling and solidification of magma. What is Metamorphism and Why Study It? Earth’s internal structure. Eng- Geo [6K473]-Unit1 6 7. medium-grained 1-5 mm . Petrology JEO342E . Please arrive by 5:45 AM at the loading dock on Saturday!!! equigranular . aphanitic . Part 2. To understand igneous petrology, this course will review some general characteristics of magmas and how they solidify to form unlimited types of igneous rocks. Peninsular Ranges Batholith, San Diego County, April 29-30. Procedures used during Leg 176 for describing igneous rocks in general follow the outline presented in the "Explanatory Notes" chapter of Leg 153 (Shipboard Scientific Party, 1995), and much of the discussion presented here comes from that source. Thermodynamics Notes. 1. The plates that we talk about in plate tectonics are made up of the lithosphere, and appear to … We will return on Sunday afternoon (5 PM) Find University Of Eldoret Ees 301:Igneous Petrology previous year question paper. Note that the lithosphere is comprised of both crust and part of the upper mantle. to separate the topics (see the textbook). phaneritic . Lecture 1 . Igneous Rocks: A change of temperature caused the formation of igneous rocks. Some pictures from the trip!!!!. fine-grained – less than 1 mm . Textural terms . Magma is a hot viscous, siliceous melt, containing water vapour and gases. Feel free to use the past paper as you prepare for your upcoming examinations. Magma comes out from the greater depth below the earth surface, such magma is called LAVA. The loss of heat through radiation and gradual cooling led to solidification and hardening of the upper portion. Field Trip 1. Lecture notes . Thus igneous rocks came to be formed in the past. Abstract. (Note: Most igneous processes are driven by Plate Tectonics. Study of igneous petrology is a basic necessity to geological sciences. pyroclastic . S.K. It is hard (no, impossible!) Classification and nomenclature of igneous rocks . IGNEOUS PETROLOGY WEEK 1: INTRODUCTION AND CLASSIFICATION INTRODUCTION Igneous rocks – form by the solidification of magma or “molten rock”. Haldar, Josip Tišljar, in Introduction to Mineralogy and Petrology, 2014. 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