CESKY
Venusina sopka je 643m vysoka vyhasla ctvrtohorni sopka nad
obci Mezina, jizne od Bruntalu. Na vrcholu je plochy krater a bocni
kratery s lavovymi jeskynemi. Sopecnou cinnost zde pripomina pouze
cervenohnede zbarveni pudy a na severovychodnim upati dva lavove
proudy.
Geologicky se sopka radi mezi tzv. stratovulkany a je tvorena
vylevnymi horninami (z nichz ma nejvetsi zastoupeni cedic), ktere
jsou pokryty sopecnymi vyvrzeninami charakteru tufu a tufitu s
vyskyty tzv. „sopecnych pum“. Venusina sopka je znama i
mineralogicky, nebot se v cedici hojne nachazi zeleny nerost
olivin.
Na Venusine sopce muzeme pozorovat cervene tufy, ktere se v
minulosti se tezily jako stavebni kamen a tim na vrcholu vznikla
prohluben, ktera mylne pripomina nekterym navstevnikum
krater.
Venusina sopka vsak nabizi jeste jednu prirodni
zajimavost!
Je ovsem treba vratit se az k severovychodnimu upati, kde se
nachazi opusteny lom. Pri vstupu se pred nami se objevi vysoka
skalni stena, tvorena radou svislych cedicovych sloupu (zname take
jako kamenne varhany).Zdejsi cedicove sloupy vznikly ochlazenim
lavoveho proudu, ktery vytekal ze zhaveho jicnu Venusiny
sopky.
Waypointy k ukolum
Foto sopecne pumy - v okoli - N 49°57.061 E017°28.802
Foto lavovy proud - lom - N49°57.443 E017°29.229
Nadmorska vyska Venusiny sopky - N49°57.053 E017°28.621 (vychozi
souradnice)
Vsechny prilozene fotky musi byt porizeny na Venusine sopce nebo
u lavoveho proudu Venusiny sopky!!
1) poridit fotografii sebe (nebo GPS) s lavovym proudem v lomu (do
logu)
2) poridit fotografii nejake lavove pumy (nekde kolem souradnic
waypointu)
3) zmerit nadmorskou vysku na "vrcholu" sopky na udanem waypointu
(e-mailem)
4) zaslat na e-mail zmerenou nadmorskou vysku a vysvetlit vznik
sopecnych pum (e-mailem)
Necekejte na potvrzení, v prípade chybejících informací Vás budu
kontaktovat (nebo smažu Váš log :))
ENGLISH
The Venus volcano is 643m high extinct quaternary volcano near
by Mezina, southwards by Bruntal town. On the top of this volcano
you can see equal crater and side crater's with lava cavern's.
Suggestve of volcano activity if only red-braun coloring soil and
on the northeast root of volcano you can see couple of lava
flow.
Geologically is this volcano fall into the stratovolcano
group. Venus volcano is form of bailing rock (one of most frequent
is Basalt), that are covered with volcanic ash ejected Tuff and
Trass character. You can find here o lot of volcanic bomb and the
Venus volcano is known for her mineral, because in her Basalt
abound green mineral olivine.
On the Venus volcano you can see red Tuff, which is in former
times extracted as building stone. This activity created cavern on
the top and now mistakenly suggestive volcano crater for many
visitors.
Venus volcano offers yet another natural interest!
You need come back to the northeast root of volcano where is
abandoned basalt quarry. Near by entrance to quarry you can see
high rock wall, which is form from tier of vertical basalt columns
(that you know as a columnar basalt). This columnar basalt
originated from cold snap lava flow, which flowed out from a hot
crater of Venus volcano.
Mission waypoint coordinates
volcano bomb - in neighbor - N 49°57.061 E017°28.802
lava flow - quarry - N49°57.443 E017°29.229
AMSL of Venus volcano - N49°57.053 E017°28.621 (base
coordinates
All photos must be created on The Venus volcano or near by Venus
volcano lava flow quarry!!
1) Photo yourselves (or GPS) with lava flow - quarry (photo apply
to log - waypoint coordinates).
2) Photo yourselves (or GPS) with volcano bomb (photo apply to log
- near by waypoint coordinates).
2) Measure ASML altitude (possibly with the aid of his GPS) height
of Venus volcano (base coordinates).
3) Send me e-mail with measured altitude and explain how originate
volcano bomb.
You don't wait for confirmation because in the absence of some
information I'll contacting you (or I'll delete your
log:))