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...but it is not (this is artificial -hormigón-) At Las Francesas shop

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It looks like conglomerate but it's not (M&P)

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It looks like conglomerate but it's not (M&P)

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At Las Francesas shop

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Casino in Santiago street. Two different granites: one black and one white, polished

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Limestone, sedimentary chemical rock. By M&P

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Limestone, sedimentary chemical rock. By M&P

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Limestone surrounding the Campo Grande pond

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Town Hall

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As most of the monuments in Valladolid it is made of limestone

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It is made up of limestone (sedimentary chemical rock).
I think that due to the holes -limestone is relatively soluble- Most of the monuments in Valladolid are made up of limestone

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Caballeria is made up of two different types of rocks:
The one at the bottom is granite (igneous intrusive rock) because of it's white with black crystals)
At the top it's sandstone because its texture (same as if you touch sand, with less than 2 mm of diameter)(sedimentary detritical rock).

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I think is schist because of the laminated structure due to the high presure underground.

And the amount of mica I think too.

It seems GNEISS, THE FOLLOWING STAGE in the metamorphic process. In gneiss mineral grains have grown a lot, ones feeding the others (the teacher)

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Extrusive or volcanic rock; BASALT by C.

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Extrusive or volcanic rock; BASALT by C.

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It has holes formed when the magma came out and lost the gases (the escape of the gases is what creates the holes).

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Sedimentary rock Limestone?? Sandstone??  by C.

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Sedimentary rock Limestone?? Sandstone??  by C.

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There is a shell covered by accumulated and compacted sediments before a cement was created under water among the grains

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Metamorphic rock...

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Igneous rock...

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Sedimentary rock...

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Conglomerate of rounded elements.

Round framgents cemented together

The rock formed is very hard and resistant to be worn down.
The following parts can be distinguished: the weft, (fragments greater than 2 mm) forming the frame; the matrix (sands) that fills the gaps between the big fragments of the weft; and the cement, which joins the various fragments.
The edges may come from the erosion of any type of rock.

It involves an intense process of transport and erosion by the water, which rounds the fragments of the rocks

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Geode of amethyste (magmatic origen) by L.M.G.

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Geode of amethyste (magmatic origen) by L.M.G.

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A geode it is a continent of splendid crystals: cavities of spherical or ovoidal shape, internally lined by a layer of perfectly formed crystals

Its purple-pink colour (typical of amethysts) offer different shades depending on the angle at which they are exposed to light. They can be completely filled with the minerals that have precipitated into the walls of the cavity or there can be a hollow space inside.

They usually occur when the gases become trapped and remain in the rock leaving a hole inside or by the dissolution of the adjacent rocks. The process of formation of the geodes is produced during the cooling of the magma. The minerals that precipitate to form the Geode reach it dissolved in the water

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Metamorphic rock that is composed of mineral grains that are more or less aligned in caps.It forms scales for the heat and the pressure
The metamorphic grade of a shale depends on how well fused and recrystallized its mother rock has been: higher temperatures produce lower water content, thicker crystallization and reduced excision.

Mother Rock warms up enough to mobilize its atoms. As the atoms cool down they assume the most stable positions available. The directional mineral structure of the schists arises during crystallization under the effort that does not pointed equally in all directions

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I found it in the Plaza Mayor of Valladolid, in the statue of Conde Ansúrez.

It is a non-foliated

metamorphic rock and

it is used to make columns, statues and if it is polished it is for worktops and grounds of houses.

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I think it is Granite. NO, YOU'RE NOT RIGHT, SORRY.

I found it in the Plaza Zorrila, in the statue of José Zorrilla.

It is a igneous rock and intrusive.

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Compare yours to my picture (gran paraiso).Are they the same? If so, any relevant characteristic?

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No evidence you have found this sample

Metamorphic because of its layers