Lava is made up of crystals, volcanic glass, and bubbles (volcanic gases). As magma gets closer to the surface and cools, it begins to crystallize minerals like olivine and form bubbles of volcanic gases. When lava erupts it is made up of a slush of crystals, liquid, and bubbles. The liquid freezes to form volcanic glass. Chemically lava is made of the elements silicon, oxygen, aluminum, iron, magnesium, calcium, sodium, potassium, phosphorus, and titanium (plus other elements in very small concentrations. Have a look at the background information in Minerals, Magma, and Volcanic Rocks.
The HoverJack has a weight limit of 1200 lbs. When lifting a heavy patient, extra caution must be taken to center him or her properly on the HoverJack. partners
Please note the maximum weight limit for Special Delivery Guaranteed by 1pmâ¢ items is 20kg. The maximum weight limit for Special Delivery Guaranteed by 9am items is 2kg. For tube-shaped items, the length of the item plus twice the diameter must not exceed 104cm, with the greatest dimension being no more than 90cm.