Results 51 to 60 of about 1,142,888 (106)

Experimental study on the macroscopic and microscopic properties of cement paste backfill after treatment with carbon dioxide carbonize filling slurries during the mixing process

open access: yesJournal of Materials Research and Technology
Introducing CO2 during the mixing process of filling slurry for wet carbonation enables simultaneous carbonation and hydration reactions of the carbonated filling slurry (CSL).
Yan Li   +4 more
doaj   +1 more source

Photograph entitled "V.M.R. Gold Mine Co."

open access: yes, 1895
Photograph entitled "V.M.R. Gold Mine Co." showing a group of men sitting around a mine shaft of the Village Main Reef Gold Mining Company. There is a plaque on the front of the mine shaft inscribed with the words "Harvey and Co.
Nicholls, Horace W. (Horace Walter), 1867-1941
core  

Geochemistry of Pyrite from the Jiaojia Gold Deposit, Jiaodong Peninsula, North China Craton: Implications for Source of Ore-Forming Fluids and Gold Precipitation

open access: yes
The Jiaojia gold deposit in the Jiaodong Peninsula, located in the northwestern part of the Jiaodong gold province in eastern China, has a gold reserve of over 300 t.
Yayi Fang   +8 more
core   +1 more source

Abutment Pressure Distribution Law and Support Analysis of Super Large Mining Height Face. [PDF]

open access: yesInt J Environ Res Public Health, 2022
Zhang L   +6 more
europepmc   +1 more source

E. Porter, Gold King shaft, Cripple Creek mining district, Teller County, Colorado

open access: yes, 1897
Scale not given.Photocopy.Shows depths of levels of underground workings in N.W. 1/4 Sec. 19, T.15 S., R.69 W., located on S. slope of Gold Hill, Cripple Creek Mining District, Teller County."Drawn from page 121 of the 1897 inspector's mine reports by C ...

core  

Zinc-lead-copper-silver-gold-massive sulfide mineralization at the Broadway Mine, Sierra Madre, Wyoming

open access: yes, 1992
Zinc-lead-copper-silver-gold-massive sulfide mineralization at the Broadway Mine, Sierra Madre ...
W.D. Hausel (10069834)
core   +1 more source

Simulations of goaf surface subsidence via filling control. [PDF]

open access: yesPLoS One, 2022
Yang Y, Zhang M, Hu G, Guan K.
europepmc   +1 more source

Headframe, Gold King mine

open access: yes, 2022
Donor: Colorado Mining Association.View of Gold King mine headframe and buildings, with snowy hills in the background.Caption reads: "Gold King, Cripple Creek.

core  

Kimberley Mine 1885

open access: yes, 1885
Gold Fields of South Africa Ltd.

core  

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