Calcareous Collection

Calcareous phytoplankton, SEM
Calcareous phytoplankton. Coloured scanning electron micrograph (SEM) of the external mineralised structures (coccospheres) of small marine algal organisms called coccolithophores

Calcareous phytoplankton fossil, SEM Z100 / 0213
Calcareous phytoplankton fossil. Coloured scanning electron micrograph (SEM) of a fossil of the skeleton (coccosphere) of a coccolithotrope, a small marine algal organism

Coelosphaeridium, calcareous alga

Italian Miner - Mineo, Sicily. It is likely he was employed to mine the local calcareous ashlars, used to build many of Mineos public buildings

The Sassi quarter at dawn, with San Pietro Barisano bell tower in the foreground. Matera, Basilicata region, Italy

Typical paved alley in the old Sassi quarter at dusk. Matera, Basilicata region, Italy

The Sassi quarter at dusk, with San Pietro Barisano bell tower in the foreground. Matera, Basilicata region, Italy

View of the Sassi quarter at sunset. Matera, Basilicata region, Italy

Boardwalk in the Palombaro Lungo, the first and ancient reservoir of the Sassi quarter. Matera, Basilicata region, Italy

High angle view of the Sassi quarter and the Murgia Park. Matera, Basilicata region, Italy

Townscape of the Sassi quarter, with the Cathedral of Madonna Santissima della Bruna atop. Matera, Basilicata region, Italy

Plate 12 Miliola Talamophora from Kunstformen der Natur (Art Forms in Nature) illustrated by Ernst Haeckel (1834-1919)
5615757 Plate 12 Miliola Talamophora from Kunstformen der Natur (Art Forms in Nature) illustrated by Ernst Haeckel (1834-1919) by Haeckel

Calcareous sinter terraces at Mammoth Hot Springs in Yellowstone National Park, Wyoming (colour litho)
3630260 Calcareous sinter terraces at Mammoth Hot Springs in Yellowstone National Park, Wyoming (colour litho) by German School

Marsh fritillary butterfly (Euphydryas aurinia) nectaring on a Meadow buttercup (Ranunculus acris) flower in a chalk grassland meadow, Wiltshire, UK, June

Germander speedwell (Veronica chamaedrys) clump flowering in a chalk grassland meadow, Wiltshire, UK, May

Calcite (Calcium Carbonate) variant iceland spar
A cleaved rhomb of iceland spar showing double refraction from near Eskifjordr, Iceland

Philip Dormer Stanhope, Fourth Earl of Chesterfield (1694-1773) Chiseled on front of base
The Fall of the Rebel Angels; Unknown maker, Southern German or Austrian; 1715 - 1725; Fine-grained, calcareous limestone; Object: H: 55 x W: 16.5 x D: 15 cm (1 ft. 9 5/8 in. x 6 1/2 in. x 5 7/8 in.)

Sasso caveoso, Matera - Italy
Sassi di Matera stones of Matera human settlements troglodyte prehistoric calcareous rock Basilicata houses caverns

Picture No. 11074020
Limestone Cliffs with swirling mist Mont Aiguille, Vercors Mountains, France

Picture No. 11073895
The Gorges de St George Limestone hills above Axat, Eastern French Pyrenees, France

Picture No. 11073871
Limestone Supramonte Mountains with Tree Spurge in the foreground Gennargentu, Sardinia, Italy

Picture No. 10899516
High pastures and barns (invernales) Date:

Picture No. 10899515
Casinas Cows - on high cattle pastures Date:

Picture No. 10899490
Askyfou plateau Date:

Picture No. 10899497
Mountain Saxifrage - on limestone at Vikos Gorge (Saxifraga marginata) Date:

Burnt Orchid (Orchis ustulata) flowering, growing in chalk downland habitat, Knocking Hoe N. N. R
Burnt Orchid (Orchis ustulata) flowering, growing in chalk downland habitat, Knocking Hoe N.N.R. Bedfordshire, England, May

Picture No. 10899518
Leon Greenweed (Genista legionensis) Date:

Picture No. 10899486
High altitude grazed limestone pavement Date:

View of old village on gorge with large cave, Minerve, River Cesse Gorge, Herault, Languedoc-Roussillon, France, October

View of turlough in karst habitat, Lough Carran, The Burren, County Clare, Ireland, May

View of carboniferous limestone landscape around lough, Lough Geallain, Mullagh More, Burren N. P
View of carboniferous limestone landscape around lough, Lough Geallain, Mullagh More, Burren N.P. The Burren, County Clare, Ireland, May

View of glaciated coastal limestone pavement, Poulsallagh, The Burren, County Clare, Ireland, May

View of limestone pavement around lough, Lough Geallain, Burren N. P. The Burren, County Clare, Ireland, May
View of limestone pavement around lough, Lough Geallain, Burren N.P. The Burren, County Clare, Ireland, May

View of coastline with chalk cliffs, St. Oswalds Bay (Man o War Bay), near Lulworth, Dorset, England, July

Irish Saxifrage (Saxifraga rosacea) and Thrift (Armeria maritima) flowering, growing on coastal limestone pavement habitat, Poulsallagh, The Burren, County Clare, Ireland, May

Irish Saxifrage (Saxifraga rosacea) flowering, growing on coastal limestone pavement habitat, Poulsallagh, The Burren, County Clare, Ireland, May

Herb Paris (Paris quadrifolia) close-up of flower, growing in limestone woodland, Dolomites, Italian Alps, Italy, June

Herb Paris (Paris quadrifolia) flowering, growing in limestone woodland, Dolomites, Italian Alps, Italy, June

Calcareous Tubeworm (Serpula vermicularis) calcareous tube on rock with Sessile Barnacles (Verruca stroemia), exposed at low tide, Lyme Regis, Dorset, England, March

Arctic Sandwort (Arenaria norvegica ssp. norvegica) flowering, growing on limestone, The Burren, County Clare, Ireland, May

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Calcareous, a term that encompasses various aspects of nature and culture. From the microscopic world phytoplankton to the grandeur of Matera's Sassi quarter in Italy, this word holds a multitude of meanings. In the realm of marine biology, calcareous phytoplankton takes center stage. These tiny organisms play a crucial role in our oceans' ecosystems, their intricate structures visible under the scanning electron microscope (SEM). Their delicate forms remind us of the beauty hidden within even the tiniest creatures. Moving from micro to macro, we find ourselves in Sicily's Mineo region. Here lies evidence of ancient life - fossilized calcareous phytoplankton preserved for millions of years. SEM Z100/0213 reveals their detailed features, offering glimpses into Earth's distant past. But it is not only underwater life that exhibits calcareous characteristics; land too can bear witness to its presence. Coelosphaeridium, a calcareous alga found in various environments worldwide, showcases nature's ability to adapt and thrive across different habitats. Shifting our focus towards human history and architecture brings us to Matera's Sassi quarter. At dawn or dusk, this UNESCO World Heritage site emanates an ethereal charm with its picturesque streets and bell towers like San Pietro Barisano standing tall against colorful skies. As daylight fades into sunset over Matera's Sassi quarter, one cannot help but be captivated by its timeless allure. The typical paved alleys invite exploration as they wind through ancient stone buildings steeped in history and tradition. A walk along Palombaro Lungo boardwalk offers insight into Matera's water management systems throughout centuries – an engineering marvel built within these limestone cliffs where people once sought refuge. From above Murgia Park overlooking the Sassi quarter emerges a breathtaking panorama – a fusion between natural beauty and human ingenuity.