It occurs in its matrix, either in or closely associated with fissure veins or disseminated through rock masses.
The new product information was disseminated widely at conferences, exhibitions and in articles.
It is believed that the bluish colour of many clays and limestones is referable to the presence of finely divided pyrites, and it is known that certain deposits of blue mud now forming around continental shores owe their colour, in part, to disseminated iron sulphide.
The delay of the arbitration tribunal in London in giving its decision in the matter of the disputed boundary in Patagonia led to a crop of wild rumours being disseminated, and to a revival of animosity between the two peoples.
Nature therefore has provided various contrivances by which their seeds are disseminated beyond the actual position they occupy.