When the Map preview is rendered the ore patch's checkerboard pattern is not correct on coordinates with a 0 in it. (So anywhere on the X and Y axis).
[0.17.4] Ore patch depiction in map preview incorrect next to map origin
Re: [0.17.4] Ore patch depiction in map preview incorrect next to map origin
Thanks for the report. It's now fixed for the next version of 0.17.
If you want to get ahold of me I'm almost always on Discord.