Lüneburg Kalkberg

KalkbergLüneburger Kalkberg
The Lüneburg Kalkberg (not to be confused with the Segeberger Kalkberg) is the cap rock of a salt dome in the western part of the German town of Lüneburg.wikipedia
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Lüneburg

LunenburgLueneburgSieb & Meyer
The Lüneburg Kalkberg (not to be confused with the Segeberger Kalkberg) is the cap rock of a salt dome in the western part of the German town of Lüneburg.
On the western edge of the town is the Kalkberg, a small hill and former gypsum quarry.

Segeberger Kalkberg

The Lüneburg Kalkberg (not to be confused with the Segeberger Kalkberg) is the cap rock of a salt dome in the western part of the German town of Lüneburg.
There is also a limestone mountain in the Lower Saxony town of Lüneburg: the Lüneburger Kalkberg.

War of the Lüneburg Succession

Lüneburg War of SuccessionLüneburg Succession WarLunenburg Succession War
During the Lüneburg War of Succession, the castle on the Kalkberg was destroyed along with the nearby monastery.
The town of Lüneburg supported the Wittenbergs, taking the opportunity to escape from the immediate lordship of the Duke, and destroyed the ducal castle on the Kalkberg on 1 February 1371.

Principality of Lüneburg

LüneburgPrince of LüneburgBrunswick-Celle
Until February 1371, a castle stood on top of the Kalkberg from where the Principality of Lüneburg-Brunswick was governed.
The town of Lüneburg supported the Wittenbergs and took the opportunity to escape from the immediate influence of the duke, destroying the ducal castle on the Kalkberg on 1 February 1371 and forcing him to relocate his residence to Celle.

Boracite

Of particular geological interest are deposits of boracite and lüneburgite.
It was first described in 1789 for specimens from its type locality of Kalkberg hill, Lüneburg, Lower Saxony, Germany.

Caprock

cap rockcapstonecap
The Lüneburg Kalkberg (not to be confused with the Segeberger Kalkberg) is the cap rock of a salt dome in the western part of the German town of Lüneburg.

Salt dome

salt domessalt diapirsalt
The Lüneburg Kalkberg (not to be confused with the Segeberger Kalkberg) is the cap rock of a salt dome in the western part of the German town of Lüneburg. Near the surface, the resulting salt dome was leached by groundwater, so that only the less readily-soluble elements remained behind, such as carbonates and sulphates.

Gypsum

gypsiferouscalcium sulfate dihydrategypseous
The Kalkberg was a gypsum mine during the middle ages, but is today a Naturschutzgebiet (nature reserve) and a common meeting place for city residents. The Kalkberg is made up largely of gypsum (calcium sulphate) and comes from sediments that were deposited there around 250 million years ago by the Zechstein Sea. Other minerals present include anhydrite, calcite, gypsum, halite, hematite, hydroglauberite, jarosite, kalistronite, lepidocrocite, pyrite, quartz, sylvite, syngenite and thenardite.

Mining

mineminescopper mine
The Kalkberg was a gypsum mine during the middle ages, but is today a Naturschutzgebiet (nature reserve) and a common meeting place for city residents.

Middle Ages

medievalmediaevalmedieval Europe
The Kalkberg was a gypsum mine during the middle ages, but is today a Naturschutzgebiet (nature reserve) and a common meeting place for city residents.

Naturschutzgebiet

nature reservenature reservesNaturschutzgebiete
The Kalkberg was a gypsum mine during the middle ages, but is today a Naturschutzgebiet (nature reserve) and a common meeting place for city residents.

Sediment

sedimentslake sedimentdregs
The Kalkberg is made up largely of gypsum (calcium sulphate) and comes from sediments that were deposited there around 250 million years ago by the Zechstein Sea.

Zechstein

Zechstein GroupZechstein SeaZechstein Basin
The Kalkberg is made up largely of gypsum (calcium sulphate) and comes from sediments that were deposited there around 250 million years ago by the Zechstein Sea.

Leaching (chemistry)

leachingleachedleach
Near the surface, the resulting salt dome was leached by groundwater, so that only the less readily-soluble elements remained behind, such as carbonates and sulphates.

Groundwater

ground waterunderground waterpore water
Near the surface, the resulting salt dome was leached by groundwater, so that only the less readily-soluble elements remained behind, such as carbonates and sulphates.

Carbonate minerals

carbonate mineralcarbonatecarbonates
Near the surface, the resulting salt dome was leached by groundwater, so that only the less readily-soluble elements remained behind, such as carbonates and sulphates.

Sulfate minerals

sulfate mineralsulfatessulfate
Near the surface, the resulting salt dome was leached by groundwater, so that only the less readily-soluble elements remained behind, such as carbonates and sulphates.

Grassland

grasslandsgrassveldgrass
Today, the rock walls only have very sparse vegetation, attracting animals and plants typical of dry grassland habitats.

Bat

batsChiropterachiropteran
Several small caves are inhabited by bats.

Anhydrite

Gypsum karstanhydrideanhydrite stone
As a result of the depletion of the salt deposits and the increasing anhydrite content of the gypsum, the quarry was closed in 1923. Other minerals present include anhydrite, calcite, gypsum, halite, hematite, hydroglauberite, jarosite, kalistronite, lepidocrocite, pyrite, quartz, sylvite, syngenite and thenardite.

Calcite

calcareouscalciticcalcite crystals
Other minerals present include anhydrite, calcite, gypsum, halite, hematite, hydroglauberite, jarosite, kalistronite, lepidocrocite, pyrite, quartz, sylvite, syngenite and thenardite.

Halite

rock saltsaltmineral salt
Other minerals present include anhydrite, calcite, gypsum, halite, hematite, hydroglauberite, jarosite, kalistronite, lepidocrocite, pyrite, quartz, sylvite, syngenite and thenardite.

Hematite

haematitehematitichaematite iron ore
Other minerals present include anhydrite, calcite, gypsum, halite, hematite, hydroglauberite, jarosite, kalistronite, lepidocrocite, pyrite, quartz, sylvite, syngenite and thenardite.

Jarosite

natrojarosite
Other minerals present include anhydrite, calcite, gypsum, halite, hematite, hydroglauberite, jarosite, kalistronite, lepidocrocite, pyrite, quartz, sylvite, syngenite and thenardite.

Lepidocrocite

Other minerals present include anhydrite, calcite, gypsum, halite, hematite, hydroglauberite, jarosite, kalistronite, lepidocrocite, pyrite, quartz, sylvite, syngenite and thenardite.