Ahhh...think big! Hematite is an excellent source of iron for steel
Think of setting up a foundry and a blast-furnace near Meridiani. Use the hematite
as ore to produce steel. Make steel girders and other building materials.
And in 1/3rd Martian gravity you could make steel-grider framed, airtight skyscrapers on Mars that would make Sears Tower in Chicago look mighty small.
Jacob