- A
diatreme,
sometimes known as a maar-
diatreme volcano, is a
volcanic pipe ****ociated with a
gaseous explosion. When
magma rises up
through a
crack in...
- The
Aristifats Diatreme is a
diatreme in the
Northwest Territories, Canada,
located about 100 km (62 mi) east of Yellowknife. It is
thought to have formed...
- The
Cross diatreme is a
diatreme in
southeastern British Columbia, Canada,
located 60 km (37 mi) east of the
Rocky Mountain Trench and 8 km (5 mi) northeast...
- The
Blackfoot diatreme is a
diatreme in
southeastern British Columbia, Canada,
located 60 km (37 mi)
northeast of Cranbrook. It is 1,000 m (3,281 ft) in...
-
loose fragments of
volcanic rocks and
rocks torn from the
walls of the
diatreme. The name maar
comes from a
Moselle Franconian dialect word used for the...
- The
Elwin Bay
diatreme, also
called the
Elwin Bay kimberlite, is a
small post-Silurian
kimberlite diatreme located approximately 1 km (0.62 mi)
south of...
- The HP
diatreme, also
called the HP pipe, is a
diatreme in the
Rocky Mountains of
southeastern British Columbia, Canada,
located 50 km (31 mi) northeast...
- The
Mountain Diatreme is a
diatreme in the
Northwest Territories, Canada,
located 190 km (118 mi)
southwest of
Norman Wells. It has a
diameter of 600 m...
-
nepheline syenite plutons; a
nearby diatreme (Rutan Hill); and
several other nearby and much
smaller ****s, sills, and
diatremes. The two
large nepheline syenite...
- observed,
analogues are preserved. Most of
these rocks occur as ****s,
diatremes,
lopoliths or laccoliths, and very rarely, intrusions. Most kimberlite...
