{
	"type": "minecraft:delta_feature",
	"config": {
		"contents": {
			"Name": "tfc:rock/cobble/gabbro_slab"
		},
		"rim": {
			"Name": "tfc:rock/hardened/gabbro"
		},
		"rim_size": {
			"type": "minecraft:uniform",
			"value": {
				"max_inclusive": 3,
				"min_inclusive": 1
			}
		},
		"size": {
			"type": "minecraft:uniform",
			"value": {
				"max_inclusive": 7,
				"min_inclusive": 3
			}
		}
	}
}