The phrase "a considerable quantity and" is correct and usable in written English.
It can be used when discussing a significant amount of something, often in a context where additional information or items are being listed or described.
Example: "The research revealed a considerable quantity and variety of species in the ecosystem."
Alternatives: "a significant amount and" or "a large quantity and".
First, the fir, containing a considerable quantity of air and fire, and very little water and earth, being constituted of such light elements, is not heavy: hence bound together by its natural hardness it does not easily bend, but keeps its shape in framing.
Those and subsequent findings suggest that those early people, like Cambodians today, were of slight to medium build, constructed their houses on wooden piles, consumed a considerable quantity of fish, and raised pigs and water buffalo.
A considerable quantity of toxic and hazardous substance is released into this important aquatic system through these industrial effluents along with huge organic load emanating from agricultural and shrimp culture activities and several non-point sources (such as discharges from fishing vessels and trawlers and runoff from adjacent landmasses).
A list of the ornamental species currently produced by the municipality appears in Appendix C. On occupied private lands, a considerable quantity of flowers and other ornamentals are planted in housing lots, especially in the middle and upper class residential neighborhoods, but almost every private yard regardless of neighborhood or socio-economic class has some ornamental plant growing there.
The judge said he received a considerable quantity of classified documents, and took "closed" evidence from witnesses, likely to be intelligence agents.
At the same time, a considerable quantity of agricultural waste and other types of solid material disposal are posing serious environmental issues.
There is a considerable quantity of routine correspondence and some personal correspondence of Bailey's secretaries, especially A. Hand James.
Any deviation of the salinity from its ambient level can disrupt the osmotic balance in many aquatic organisms and for readjusting the osmotic concentration they may have to exchange a considerable quantity of energy (Huni and Aravindan 1985).
His published works consist principally of trio sonatas, in both the church and the secular styles, and a considerable quantity of dance music.
