However, Newcrest's Cadia Valley Operations is confident with its existing diversity and inclusion strategy.

The code was released by the Australian Minerals Council last week and sets out prevention and response measures to develop a culture of respect and improve support for workers in the industry.

Newcrest Cadia People and Social Performance manager Bridgette Byrne said Cadia Valley Operations has a growing rate of female recruitment.

"We are focused on improving our gender diversity and as the ratio of female recruitment grows, so does the support and acceptance of women in trades, mining operations, engineering, technology and other roles that have been traditionally male dominated," she said.

Mrs Byrne said in addition to a female mentoring program, harassment of any kind is not tolerated, and early reporting of any deviations is encouraged.

"Our corporate and site management teams and board have at least 30 per cent female representation and our site is comprised of 11 per cent permanent female workforce, excluding contractors," she said.

"Our senior and executive leadership teams have recently completed an intensive inclusive leadership program, which will take us to the next level of creating inclusive and diverse workplaces across our global business."

Mrs Byrne said there was a 50 per cent female intake of apprentices at Cadia this year through its apprenticeship program, in addition to two Indigenous apprentices.

"Our graduate and vacation programs are focussed on working towards gender equity so that our future talent represents a balanced and diverse workforce for the future of our sites," she said.

"There are more than 100 different types of roles at our operation, and females are represented across most areas of the business.

"We are seeing a trend of women moving into more non-traditional roles such as engineering, and trade based roles such as electrical, mechanics, and mining operations."

Mrs Byrne said Cadia also provides flexibility with programs and initiatives such as: flexible work options; paid parental leave for primary and secondary carers; a Parents and Bubs program to support women and men who participate in Cadia's parental leave program; the Non-Working Mining Mums program to support and encourage women to return after leaving to have children; a private area for nursing mothers to express breastmilk; and an onsite multipurpose reflection/prayer room.

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