Rapid modal analysis of some felsic rocks from calibrated X-ray diffraction patterns / by D. B. Tatlock ; prepared in cooperation with the Nevada Bureau of Mines.

Format:

Book

Government document

Author/Creator:

Tatlock, D. B., author.

Contributor:

Geological Survey (U.S.), issuing body.

Nevada Bureau of Mines, sponsoring body.

Series:

Geological Survey bulletin ; 1209.

Geological Survey bulletin ; 1209

Language:

English

Subjects (All):

Igneous rocks.

Rocks--Analysis.

Rocks.

X-rays--Diffraction.

X-rays.

igneous rock.

x-ray diffraction.

Genre:

geological maps.

Geological maps

Geological maps.

Physical Description:

1 online resource (iv, 41 pages) : illustrations.

Distribution:

Washington : United States Government Printing Office

Other Title:

X-ray modal anaysis of felsic rocks

Place of Publication:

[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1966.

Contents:

Abstract

Introduction

Basic aspects of procedure

Reproducibility, intensity, and crystallite size

Optimum particle size versus grinding time

Precision test at high scanning speed

Mass absorption and iron content

Iron, fluorescence, and background intensity

Possible effects of density differences

Intensity-concentration curves for quartz analysis

Rock classification from quartz and iron analysis

Analysis of altered rhyolitic rocks of the Koipato Group, Nevada

Calibrated versus random patterns

Sample preparation and instrumentation

Sample preparation

Preparation of powder mounts

Calibration and analytical technique

Standard powders

Selection of peaks for measurement

Conclusion.

Notes:

Title from title screen (viewed September 15, 2014).

Also available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).

Includes bibliographical references (pages 39-41).

Other Format:

Print version: Tatlock, D. B. Rapid modal analysis of some felsic rocks from calibrated X-ray diffraction patterns

OCLC:

891383531