im not a very smart felow, but if ther is one thing i now for shur, its that a smooth surfase and cleevage is reffering to underbob, the top bob normally has frekels, pimpels, moles or weird lumps, so its not a smooth surfase, the side bob has blisters or is chafed, and the front bob has dam NIPLES on it, so that only leaves one posible conclushon, that is UNDERBOB. im sort of the residanse expert on this kind of things, trust me, you can go ahed and mark this as "sertifaid by genuen bob expert"
If a mineral breaks and leaves a smooth crystal surface, this is said to have cleavage. There are different qualities of cleavage, depending on how smooth the surface of the plane is. For this example, since the mineral breaks cleanly and evenly, it can be described as perfect cleavage.
A laccolith is an intrusion with the shape of a mushroom that grows under the earth's surface. This happens when liquid magma exceeds its way between 2 layers of rock, causing the overlying sediments to puff out as the feature increases. Eventually, this causes the origin of small hills and mountains surrounding the top of the mountain.
