Ore

On Mine in Abyss, normal ore generation is disabled. When you mine stone (or other blocks composing the main layer, such as terracotta), you have a chance for ore to spawn instead of surrounding blocks. Other extra drops have a separate chance of being generated as an item.

Layer 1

Ore-containing Blocks

Ore	Spawn Chance	Vein Size	Other	Drop Chance	Drop Size
	1.0%	3-10		0.5%	3-12
	1.5%	1-4

Layer 2

Ore-containing Blocks

Ore	Spawn Chance	Vein Size	Other	Drop Chance	Drop Size
	1.0%	3-10		0.5%	3-12
	1.0%	1-7		0.5%	3-12
	0.1%	1-3
	0.4%	1-4
	1.5%	1-6
	0.1%	1-3	only from
	0.1%	1-3	only from

Layer 3

Ore-containing Blocks

Ore	Spawn Chance	Vein Size	Other	Drop Chance	Drop Size
	2.0%	3-10		0.5%	3-12
	2.0%	1-7		0.15%	1-4
	0.2%	1-3		0.5%	2-5
	0.05%	1-3
	0.6%	1-3
	0.1%	1-4
	0.2%	1-3	only from
	0.1%	1-3	only from
	0.15%	1-4	only from

Layer 4

Ore-containing Blocks

Ore	Spawn Chance	Vein Size	Other	Drop Chance	Drop Size
	2.0%	3-10		0.75%	3-12
	3.0%	1-7		0.75%	3-12
	0.3%	1-3		0.2%	1-4
	0.15%	1-3
	0.08%	1-3
	0.2%	1-4
	0.3%	1-3	only from
	0.3%	1-3	only from
	0.2%	1-4	only from

Layer 5

Ore-containing Blocks

Ore	Spawn Chance	Vein Size	Other	Drop Chance	Drop Size
	1.5%	3-10		1.0%	3-12
	2.0%	1-7		1.0%	3-12
	0.15%	1-3		0.15%	1-4
	0.3%	1-4		0.15%	2-5
	0.1%	1-4		0.01%	3-6
	0.4%	1-3		1.0% (only Ices)	1
	0.3%	1-4
	0.25%	1-6
	0.15%	1-3	only from
	0.15%	1-3	only from
	0.15%	1-4	only from