The news releaseIf you type into google ' sericitic alteration there is a lot of information on it in relation to gold discoveries and the mother-lode.
From the news release: "sericitic alteration blooms constitute high-confidence exploration targets at Mother Lode Belt mine properties."
From an article from a company called California Gold Mining in 2014.
"An intense sericitic alteration bloom localized along the Silver Cliff Fault suggests a large robust mineralized (gold) system lies at depth."
At the Bonita Mine, located at the northern end of the property, disclosed the presence of two separate barren sericitic alteration blooms which represent two new exploration targets in that area.
The Bonita mine, never drilled of course, had a 20 stamp mill way back in the day.
Just more exciting targets of one of the Providence group of mines.