The phrase "a separate border" is correct and usable in written English.
It can be used when discussing distinctions or divisions between areas, regions, or categories.
Example: "The country established a separate border to manage immigration more effectively."
Alternatives: "an independent boundary" or "a distinct border."
A separate border dispute over a triangle of uninhabited rainforest near the Brazilian border remains unresolved.
And that doesn't count the $600 million that Congress provided in a separate border security bill in 2010.
In July this year three al-Qaeda militants were killed by a car bomb and fighting at a separate border post as other gunmen were able to enter the country in two cars.
This includes $72m for the 5,900 active-duty troops plus $13m so far for 2,100 national guard troops who have been performing a separate border mission since April.
The 31 deaths in the past eight days include 19 Palestinians who were killed in the previous mass demonstrations on March or died subsequently of their wounds, along with two armed militants shot dead by Israeli troops in a separate border incident.
At low calcination temperatures, the SEM images of the catalyst show a separate border between particles of catalyst, this border disappears gradually with increasing calcination temperature.
At the airport in Russia, each of the women stood in line to a separate border-control officer.
In a separate incident, border agents caught Ajaj with bomb-making materials and a cheat sheet explaining how to lie to border officials.
While the line of control is guarded by the Indian and Pakistani armies, each country uses a separate paramilitary border force to guard the lower-altitude frontier, defined by coils of razor wire that snake across foothills marked by ancient villages, tangled bushes and fields of rice and corn.
The protesters outside Trump Tower called for a "clean" Dream Act that would not include separate border security measures.
Southerners in Congress prevented any action on the approval of this separate border treaty and eliminated further funding for surveying of the disputed borderland.
