Zinc Lava Tube

                <Cloud name='HardZincLava' block='minecraft:air' inherits='PresetStrategicCloud'>
                    <Description>
                        Igneous intrusive bulge of lava surrounded by a cap of zinc ore inside a low-density bubble of quartz
                    </Description>
                    <DrawWireframe>:=false</DrawWireframe>
                    <WireframeColor>0x20550000</WireframeColor>
                    <Setting name='CloudThickness' avg='15' range='0'/>
                    <Setting name='OreDensity' avg='1'/>
                    <Setting name='CloudHeight' avg='20' range='2' />
                    <Setting name='CloudSizeNoise' avg='0.1' range='0.025' />
                    <Setting name='DistributionFrequency' avg=':= 0.005'/>
                    <Setting name='CloudRadius' avg=':= 6' range=':= 0.03 * _default_'/>
                    <Setting name='CloudInclination' avg='0' range='0.021875' />
                    <ReplacesOre block='stone'/>
                    <ReplacesOre block='ganyssurface:.*' weight='-1'/>
                    <seed>168527 </seed>
                    <Biome name='.*hill.*' weight='1'/>
                </Cloud>