Under proper lighting, your rock flour weighs almost half a percent less than otherwise.

And then the glacier melted back, leaving the rock flour thick on the valley floor.

All are vividly colored, most due to rock flour suspended in their waters.

The green color is the result from glacier runoff containing clay (rock flour).

We also learned the secret of the mountain lakes' brilliant turquoise color: a substance called rock flour.

The very fine rock flour particles remain suspended in the water for a time, gradually settling to the lake bottom.

Wisps of rock flour spread across the polished wood.

They can also be cemented by finely ground host rock called rock flour.

Fine rock flour provides ample contact area with water to allow some SiO2 dissolution.

Very useful for its exploration of the agricultural use of rock flours.

It should be classified as "rock flour" in much the same way as glacial debris.

It grinds the moraine particles down into rock flour.

Figure 3 shows that the polished surface is 'plastered' onto the bed and peels off to reveal rock flour below.

Neither of the two knew the importance of the rock flour, and they had not been shy in showing their contempt for it.

He poked around in the rock flour.

Lately it has become fashionable to remineralize the earth with heavy applications of rock flours.

They are embedded in rock flour and silt.

Silt is sometimes known as "rock flour" or "stone dust", especially when produced by glacial action.

Some agronomists believe that rock flour has a powerful effect in restoring trace minerals to soil.

The colour is due to the refraction of light off the rock flour deposited in the lake on a continual basis.

It bubbled over shallow mud, cloudy with rock flour.

Rock flour is carried out from the system via meltwater streams, where the particles travel in suspension.

These minerals become sediment at the bottom of the lake, and some of the rock flour becomes suspended in the water.

POPs bind to fine rock flour particles in snow and ice on the glacier.

The river's striking turquoise colour is associated with glacial sources and the minerals of rock flour suspended in the water.