As pointed out in Non-metal warfare, it is highly unlikely that a society without access to metals will be able to progress further than the stone or bronze age:

In my world the only available metal is copper and it is as rare as gold is for us. Other metals exist in salts and in rock, but ores and other common metal sources cannot be found for these elements. Noone can harvest metal from salts because reasons.

What sorts of settlements and technologies would be available to these people, and if their technology is limited eventually, what will be their eventual stopping point compared to our own history?

As pointed out in Non-metal warfare, it is highly unlikely that a society without access to metals will be able to progress further than the stone age:

In my world the only available metal is copper and it is as rare as gold is for us. Other metals exist in salts and in rock, but ores and other common metal sources cannot be found for these elements. Noone can harvest metal from salts because reasons.

What sorts of settlements and technologies would be available to these people, and if their technology is limited eventually, what will be their eventual stopping point compared to our own history?

As pointed out in Non-metal warfare, it is highly unlikely that a society without access to metals will be able to progress further than the stone or bronze age.

What sorts of settlements and technologies would be available to these people, and if their technology is limited eventually, what will be their eventual stopping point compared to our own history?

As pointed out in Non-metal warfare, it is highly unlikely that a society without access to metals will be able to progress further than the stone or bronze age:

In my world the only available metal is copper and it is as rare as gold is for us. Other metals exist in salts and in rock, but ores and other common metal sources cannot be found for these elements. Noone can harvest metal from salts because reasons.

What sorts of settlements and technologies would be available to these people, and if their technology is limited eventually, what will be their eventual stopping point compared to our own history?