{
	"feature": "tfg:mars/terrain/gabbro_delta",
	"placement": [
		{
			"type": "minecraft:count",
			"count": 25
		},
		{
			"type": "minecraft:in_square"
		},
		{
			"type": "minecraft:heightmap",
			"heightmap": "OCEAN_FLOOR"
		},
		{
			"type": "minecraft:block_predicate_filter",
			"predicate": {
				"type": "minecraft:matching_blocks",
				"offset": [ 0, -1, 0 ],
				"blocks": [
					"tfc:rock/raw/gabbro",
					"tfc:rock/hardened/gabbro",
					"tfc:rock/gravel/gabbro"
				]
			}
		}
	]
}