copper ore forming minerals in thin section

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CHAPTER 5: MINERALOGY TEXTURES AND PARAGENESIS

Section 5.6. Section 5.7 discusses the common mineral paragenetic links between the SMD gold and copper deposits and also concludes this Chapter by presenting a combined SMD paragenesis for the hypogene minerals. A comparison of the combined SMD mineral paragenesis for the gold and copper deposits documented in this Chapter with other known

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A Key for Identifi ion of Rock-Forming Minerals in Thin Section

Structured in the form of a dichotomous key comparable to those widely used in botany the mineral key provides an efficient and systematic approach to identifying rock-forming minerals in thin-section. This unique approach covers 150 of the most commonly encountered rock-forming minerals plus a few rarer but noteworthy ones. Illustrated in full colour with 330 high quality mineral

Bornite: A mineral an ore of copper often called "peacock ore"

It is commonly called "peacock ore" or "purple copper ore" after these iridescent colors. Upon surface exposure bornite will weather to chalcocite or other copper minerals. Bornite is a popular and fast-selling mineral specimen at museums mineral shows and tourist shops.

LECTURE 4 - MICROSCOPIC STUDY OF MINERALS UNDER THE MICROSCOPE

The rock thin section is attached to the centre of the stage by metal spring clips. 4.2.6 Objectives Objectives are magnifying lenses with the power of magnifi ion inscribed on each lens e.g. x5 x30 . An objective of very high power e.g. x100 usually requires immersion oil between the objective lens and the thin section. 4.2.7 Eyepiece

Identifi ion Tables for Common Minerals in Thin Section

Identifi ion Tables for Common Minerals in Thin Section These tables provide a concise summary of the properties of a range of common minerals. Within the tables minerals are arranged by colour so as to help with identifi ion. If a mineral commonly has a range of colours it will appear once for each colour.

Igneous minerals in thin section - Union College

Chromite is dark-brown to opaque at full thin section thickness. Chromite is a spinel-type mineral like magnetite and has an extensive solid solution in the magnetite composition direction. Cr-Mg-Al-rich chromites are realtively transparent and can be dark-brown at full thin section thickness.

Optical Mineralogy and Petrography

Students look at some of the same minerals and others in thin section. A Last Look at Igneous Minerals in Thin Section-- Dexter Perkins Univ. North Dakota; A final lab exercise that uses the optical mineralogy skills learned in the previous labs and begins the transition to petrographic analysis of thin sections.

ORE MINERALOGY - EOLSS

first edition of Die Erzmineralien und ihre Verwachsungen The Ore Minerals and their Intergrowths in 1950. 2. Characteristic Physical Properties of Ore Minerals In this section we briefly discuss the most common characteristic properties of ore minerals that are used to distinguish them in reflected light. 2.1. Hardness

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