350 km to the west of Johannesburg and the Witwatersrand reef (the ridge that contains the gold), the mines around Barberton contain visible nugget gold in quartz veins, in addition to fine particles, that are embedded in metamorphosed late Archaean age rocks dating to 3.2-3.4 billion years ago.
Bonaccordite was first described in 1974 for an occurrence in the Bon Accord area, Barberton, Transvaal, South Africa.
Gold rushes to Pilgrim's Rest and Barberton were precursors to the biggest discovery of all, the Main Reef/Main Reef Leader on Gerhardus Oosthuizen's farm Langlaagte, Portion C, in 1886, the Witwatersrand Gold Rush and the subsequent rapid development of the gold field there, the biggest of them all.
After nearly dying in the battle at Zilikat's Nek in the Magaliesberg, he captured Barberton.
In 1927 it was sold to Babcock & Wilcox which operated it until 1936 when they transferred all operations to Barberton, OH.
It was first described for an occurrence in the Bon Accord Nickel Deposit, Bon Accord, Barberton, Mpumalanga, South Africa, in 1921 and was named for Major Tudor Gruffydd Trevor (1865–1958) who was a mining inspector in South Africa.
The main purpose was to switch chemical cars for Pittsburgh Plate Glass, Babcox and Wilcox Companies as well as O.C. Barber's match works, all in Barberton.
Because of his tender age, he was lodged in the Barberton concentration camp with his mother.
After the death of Sobhuza, Mswati inherited an area which extended as far as present day Barberton in the north and included the Nomahasha district in the Portuguese territory of Mozambique.
He founded the Stirling Boiler Company which was merged with the Babcock and Wilcox Boiler Manufacturing Company of Barberton and Bayonne, New Jersey, the concern thus becoming the largest manufacturer of steel boilers in the world.
In 1884, seed was collected in the mountains of the Transvaal gold fields, and sent to Kew by Mr E. G. Dunn of Claremont, Cape Town.