According to the only book I have, if it a filled religious cross for sure, it should be in a box outlined around it, or is 'double-lined'. Otherwise it is a 'tobias' cross; but some maps interchange them also.It could mean start the hunt here, and there should be a number sign tied to it, maybe the chevron is also a distance/direction marker? If its a real cross, it could also mean there is the miner's shrine nearby, perhaps to the southwest, as that is where the chevron is pointing in relation to the cross. sure there isn't a very worn number symbol the chevron is pointing to?
Just a newbie, hopefully the others will set us both on the right path...
Becket