"for marking purposes" is grammatically correct and can be used in written English.
You can use it to describe something done for a specific purpose. For example: "I added extra details to the report for marking purposes."
If both managers go in as they have until now, it will be United's 4-2-3-1 againshapes‑4‑1, thatshapes that match up straightforwardly for marking purposes: United have an extra holding midfielder who, while testing Pogba's defensive discipline, can counter City's additional creative midfielder.
According to AIG's documentation, SocGen got its prices for marking purposes for Goldman's deals from Goldman.
In addition to vascular and endoscopic clips, surgeons use metal clips liberally for marking purposes.
It harmonizes all construction products subject to regulatory controls for marking purposes.
The Cramer-Rao lower bound (CRLB) which is used for bench marking purposes is discussed in the following subsection.
Furthermore, clouded leopards have even been recorded using logging roads for the purposes of hunting, and for marking their territory [ 4].
For the purpose of genome-wide mapping studies, one SNP is enough for marking a gene.
Selected for land-marking purpose, these exploratory spots were intended to reflect a more or less random sampling, and not necessarily significant changes in either statistical measure or magnitude of volume fold change.
Look for a variety marked "all purpose" or "sew-all".
Large donations to schools and hospitals are often marked for specific purposes — stem cell research, for instance, or student scholarships, but Mr. Zuckerman's is unrestricted.
