Marbles in metamorphic aureoles and iron - rich skarns appear to be favored sites for gold mineralization in these deposits, perhaps due to the rheological character, permeability after fracturing, and chemical reactivity of those rocks to alteration by hydrothermal fluids. (paramountnevada.com)
So the mother needs to ensure that the baby takes the whole aureole into the mouth. (newbornbabyzone.com)
It was not an aureole but a distant, hazy, tired glow. (firstthings.com)