WorldCat Identities

Armstrong, John P.

Overview
Works: 12 works in 48 publications in 1 language and 566 library holdings
Roles: Author
Classifications: DS557.C26, 959.6
Publication Timeline
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Most widely held works by John P Armstrong
Sihanouk speaks by John P Armstrong( Book )

8 editions published in 1964 in English and held by 379 WorldCat member libraries worldwide

Southeast Asia and American policy by John P Armstrong( Book )

11 editions published between 1959 and 1967 in English and held by 83 WorldCat member libraries worldwide

Chinese dilemma by John P Armstrong( Book )

10 editions published between 1956 and 1967 in English and held by 82 WorldCat member libraries worldwide

Senator Taft and American foreign policy : the period of opposition by John P Armstrong( )

5 editions published in 1953 in English and held by 8 WorldCat member libraries worldwide

Variations in silicate and sulphide mineral chemistry between free-milling metallic and refractory invisible gold ores, Con Mine, Yellowknife, Northwest Territories by John Patrick Armstrong( Book )

2 editions published between 1997 and 1998 in English and held by 3 WorldCat member libraries worldwide

The Con Mine hosts both free-milling "metallic" and refractory "invisible" gold mineralisation. There is no continuum between ore types: free-milling ores display heterogeneity in texture, mineralogy, and alteration both along strike and down dip reflecting prolonged, episodic vein evolution within a brittle ductile deformational regime. Free-milling ores are characterised by a muscovite-phengitic muscovite-chlorite-calcite-albite-pyrite-pyrrhotite-native gold assemblage associated with folded and boudinaged quartz carbonate veins. Temperatures calculated by the chlorite geothermometry, a subtle decrease in gold fineness with depth, and previously calculated fluid compositions indicate that free-milling ores formed at temperatures of less than 375$\sp\circ$C, with Na/K $$ 1, and $\delta\sp$O and $\delta\sp$C fluid values of 9.1$\perthous$ and ${-}2.27\perthous$ respectively
Factors influencing the legislatiton for public school education of the trainable retarted in New York State by John P Armstrong( Book )

3 editions published in 1969 in English and held by 3 WorldCat member libraries worldwide

Invisible gold distribution in pyrite and arsenopyrite from free-milling, transitional, and refractory gold ores, Nerco Con mine, Yellowknife, NWT by J. P Armstrong( Book )

3 editions published in 1993 in English and held by 3 WorldCat member libraries worldwide

A detailed metallurgical and mineralogical study was carried out on 15 samples collected from refractory and free-milling gold ores at Nerco Con Mine, Yellowknife, Northwest Territories. The study determined the mineralogical distribution of gold within ores and specifically which sulphide mineral phases contain the refractory, sub-microscopic gold. Samples consisted of crushed composite diamond drill core intersections, muck, and grab samples. Analytical techniques used included cyanidation, optical ore microscopy, electron microprobe, and ion microprobe (SIMS)
Variations in silicate and sulphide mineral chemistry between free-milling "metallic" and refractory "invisible" gold ores, Con Mine, Yellowknife, N.W.T. by John P Armstrong( Book )

2 editions published in 1997 in English and held by 2 WorldCat member libraries worldwide

Chinese industrial co-operatives by John Paul Armstrong( )

1 edition published in 1948 in English and held by 1 WorldCat member library worldwide

The relationship of gold to alteration patterns, Cochenour-Willans Gold Mine, Red Lake, Ontario by John P Armstrong( Book )

1 edition published in 1989 in English and held by 1 WorldCat member library worldwide

Southeast Asia and American Policy ... Editor: Robert L. Goldberg. [With illustrations.] by John P ARMSTRONG( Book )

1 edition published in 1959 in English and held by 1 WorldCat member library worldwide

Factors influencing the legislation for public school education of the trainable retarded in New York State by John P Armstrong( )

1 edition published in 2017 in Undetermined and held by 0 WorldCat member libraries worldwide

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Audience level: 0.49 (from 0.41 for Sihanouk s ... to 1.00 for Factors in ...)

Alternative Names
Armstrong, John P.

Languages
English (47)