Australian Scientist: global leaders, international rising stars

Page 128

AUSTRALIAN SCIENTIST

Daniela Rubatto Earth Scientist

An enquiring mind amongst the mountains

Daniela Rubatto describes herself as an

to move between Australia and other parts of the

earth scientist who is passionate to find out about

world. Australian science, she says, is extremely

the mountains.

international. Much of her research has been done

“Those great big things on the horizon, how did they

in the western alps of Italy, in the Sikkim Himalaya,

get there? Where do they come from? How long have

and in the interior of Australia. She appreciates what

they been there?” she wonders.

she thinks of as the Australian attitude to scientific

Her main research interest, she says, is in geochronology of metamorphic processes, crustal

research: enjoy it, do not take it too seriously, but be very good at it!

growth and mountain building. In 2002, she

“Although I spend time in the mountains, and

discovered a key geochemical signature in the mineral

I love walking the mountain trails, for my research

zircon in metamorphic rocks that experienced extreme

I do not join extreme field trips, and I do most of my

conditions. This geochemical fingerprint allows the age

‘extreme’ work in the laboratory,” she says. “Life is too

extracted from the mineral to be linked with the pressure

precious, and family keeps me from doing rash things

and temperature that the rocks have experienced, and

or being away too long!”

thus to time the path the rocks have travelled at depth. Dr Rubatto has a particular interest in the mineral zircon, indeed she speaks of it with a surprising fondness. “Zircon never lets you down,” she says. “It’s such a solid material to work with, with so much information contained in it. You can follow millions of years of the Earth’s evolution in zircon, if you just know how to read it. It’s a never-ending puzzle which is a joy to work on!” As a scientist, Dr Rubatto enjoys being able

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