It is also brecciated and veined. Pultusk is brecciated and contains two varieties of xenoliths embedded in a dark brecciated matrix. Occasionally, metamorphic rocks can be brecciated via hydrothermal fluids, forming a hydrofracture breccia. Ore-hosting structures are most commonly zolinknes of highly brecciated dolomite. Healed, fragmented rock produces brecciated (broken) jasper. Copper occurs in brecciated "silica-dolomite" rock. Many types of marble are brecciated, such as Breccia Oniciata or Breche Nouvelle. Some broken faces show brecciated texture, angular clasts. Levallois flints and bones and similar surface material were found amongst brecciated deposits. In the southeast granitoids, lavas and brecciated lavas make most of the bedrock. It is a veined and brecciated chondrite with abundant xenoliths with various degrees of recrystallisation. The loose material that makes up much of Adams' core is made of brecciated lava. Mackinac Island's brecciated limestone has eroded into a variety of unusual formations. Additionally, a brecciated remnant of the landslide was preserved near Box Elder Peak. The mound zone consists of laminated massive to brecciated pyrite, sphalerite (+/-galena), hematite, and barite.