This page titled 9.3: Types of Ore Deposits is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Dexter Perkins via source content that was edited to the style and standards of the LibreTexts platform.

Sandstone type deposits are the most common type of uranium deposits in the world. A large variety of sub-types have been defined, based either on the morphology of the deposits (e.g., tabular, roll front, etc), or on the sedimentological setting (e.g., paleovalley, paleochannel, unconformity), or on tectonic or lithologic controls (e.g., tectonolithologic, mafic …

Pyrite geochemistry is crucial for the discrimination of the types of ore-forming fluids in gold deposits, such as metamorphic–hydrothermal fluids and magmatic–hydrothermal fluids. With the assistance of supervised machine learning algorithms, this application can be leveraged maximally. Here, laser ablation inductively coupled plasma mass spectrometry …

Mineral deposits may form in sedimentary rocks through the erosion of ore-bearing rocks or through the mobilization of ore-bearing fluids through sedimentary rock. Examples: Sediments eroded from older rocks: …

Magmatic Sulfide and Fe-Ti Oxide Deposits Associated With Mafic-Ultramafic Intrusions in China. Kwan-Nang Pang, J. Gregory Shellnutt, in Processes and Ore Deposits of Ultramafic-Mafic Magmas through Space and Time, 2018. 8.1 Introduction. Magmatic ore deposits are important sources of many FRTEs and in some cases PGEs. The link between these deposits and …

It is the unit name for further classification of mineral deposit types. In addition to a single genesis, mineral deposits can also be formed under the superposition and transformation of different metallogenesis, so each deposit can be composed of a single or more than one ore formation type. ... – hydrothermal deposit can be divided into ...

The ore mineralization of this HS deposit is considered unique due to the special conditions of the ore-forming environment, such as acidic solutions, high oxygen fugacity, and log fSe2 above −5 ...

According to Pirajno (2016), the systematic classification of ore deposits is inherently fraught with many difficulties. These stem from a large number of variables (lithological, structural ...

In this article we will discuss about:- 1. Introduction to Ore Deposits 2. Origin of Ore Deposits 3. Types. Introduction to Ore Deposits: Minerals form chief source of all the industrial metals and non-metals. The commonly used metals like aluminum, copper, iron, lead, zinc etc. are all manufactured using minerals as raw materials.

There are several examples of repeated exploration success that have followed from well-formed classification schemes that were based on description and genesis of the ore deposits involved. The porphyry copper model arising in the 1950s spawned discoveries in Arizona USA, the Andean Cordillera, and then much of the Pacific Rim ( Corbett and ...

Abstract This article discusses the general classification approaches and key features of different families of polymetallic deposits, with particular attention to the largest in Eurasia Ozernoe polymetallic deposit located in Western Transbaikalia and thoroughly explored 50 years ago. The main groups (or families) of polymetallic deposits in the English-language …

Traditionally, the study of ore deposit geology has been concerned with mineral resources in which the product of economic interest is one or more mineral, specifically either those minerals from which a metal is extracted or gemstones. A practising ore deposit geologist may be expected to have knowledge of sources of these commodities.

In 2011, Zhai Yusheng, a Chinese scholar in the study of ore deposits and regional metallogeny, divided the deposits into four categories according to their genesis: endogenic …

What is the use of a classification of mineral deposits? From the days of Agricola, the founder of the science of ore deposits, successive authors on the subject have attempted …

Sandstone type deposits are the most common type of uranium deposits in the world. A large variety of sub-types have been defined, based either on the morphology of the deposits (e.g. tabular ...

PROF. NIGGLI has followed his important monograph of 1920 on the function of the volatile constituents in petrology by an interesting essay on their importance in the classification of ore deposits. He adopts the view that an ore is a rock and should be studied as such, and that "ore deposition is a part problem of magmatic differentiation in its widest sense".

Here, then, is the classification: Large, low grade deposits usually associated with a porphyritic intrusive body. Mineral deposits formed by replacement of limestone by ore and calc-silicateminerals, usually adjacent to a felsic or granitic intrusive body. Vein.

Title: Unit-2 Classification of Ore Deposits: Contributors: Tiwari, Sanjay Kumar: Issue Date: 2021: Publisher: Indira Gandhi National Open University, New Delhi

Classification of Ore Deposits. Ore deposits are usually classified by ore formation processes and geological setting. For example, SEDEX deposits, literally meaning "sedimentary exhalative" are a class of ore deposit formed on the sea floor (sedimentary) by exhalation of brines into seawater (exhalative), causing chemical precipitation of ...

Genetic Classification of ore-forming processes I Kucherenko, E Sinkina, R Abramova ¹ Institute of Natural Resources, Tomsk Polytechnic University, Tomsk, Russia ... classification of deposits into classes could be the following: 1) deposits formed from pre-existing

The classification of ore deposits by Schneiderhohnas bellow: 1-Intrusive and liquid-magmatic deposits, 2-Pneumatolyticdeposits, 3-Hydrothermal deposits, 4-Exhalative deposits

Many geological parameters have been used for ore deposit classification, such as the presence of certain metals or minerals (e.g., gold, magnetite), shape of the ore body (dissemination, vein, layer, etc.), geological environment (continental or marine basins), local tectonic regime (shear zone, breccia), geotectonic setting (collisional, island arc, continental …

For many stratabound deposits, it should be possible (1) to determine the temperature of deposition of one or more ore minerals and (2) to estimate the depth of sea water in which the …

PROF. NIGGLI has followed his important monograph of 1920 on the function of the volatile constituents in petrology by an interesting essay on their importance in the classification of ore deposits.

According to the type of ore formation, marine volcano (sub-volcano) – hydrothermal deposit can be divided into the following: (1) "Black ore" deposits in green tuff …

2.8.1 Magmatic Ore Deposits – 89 2.8.2 Hydrothermal Ore Deposits – 97 2.8.3 Sedimentary Ore Deposits – 106 ... the genesis must be reflected in mineral deposit classification (Jenkin et al. 2015). In this chapter, two main classifications of mineral resources are described: one is based

An ore deposit model describes the essential features (geological, host rocks, wall rock alteration, geochemical/metal associations, spatial distribution, grade, size, ore mineralogy, regional metallogenic framework, tectonic setting) of a group or class of deposits. Ore deposit models effectively are sets of data that best describe a deposit ...

Classification of Ore Deposits. Ore deposits are classified based on several factors, including their genesis (how they formed), chemical composition, and geological setting. These classifications help in evaluating the economic viability and extraction feasibility of a deposit. Here are the primary ways classifications are made:

The document discusses a lecture on ore deposit classification and ore reserves. It covers the Joint Ore Reserves Committee (JORC) code for classifying and reporting mineral resources and ore reserves. Key aspects of the code are transparency, materiality, and competence. It also discusses definitions of mineral resources, probable and proved ...

Classification of ore deposits - Download as a PDF or view online for free. ... Abdul Bari Qanit Follow. The document classifies ore deposits into several categories based on their relation to host rock, genesis, geological …