Miroslav Ivanov

12 Questions 40 Answers 0 Followers

Questions related from Miroslav Ivanov

Dear colleagues can you help me to determine the genus, species and the stratigraphic range of this gastropoda?

It is found in presumablly upper Eocen-lower Oligocene clay sediments in SW Bulgaria. Given the size of the fossil and the facies feature of the sediments I think that, it belongs to the...

17 December 2017 4,103 4 View

Can somebody indentify this fossil bone it is found in Upper Miocene sediments in SW Bulgaria?

The sizes of the bone are 7-8 cm long and 3-4 cm wide. It is from presumbly Turollian fauna.

12 April 2017 6,186 10 View

What is the best dating method to confirm the age of a Limonite deposited in presumably Late Miocene-Early Pliocene alluvial sediments?

I need a confirmation of the age of alluvium sediments in which we found a macro flora fossils. The fossils have wide stratigraphic range, but 41 percent of them are from the Early Pliocene. The...

06 March 2017 1,950 7 View

Dear colleagues can you help me to determine if on these pictures are shown fosils and if, what type are they?

The rock is Triassic limestone.

13 December 2016 1,717 18 View

Does stagnant water condition are required for development of calcium carbonate concrations like this shown in the pictures?

The sediments bearing this concrations are presumably terrigenious. I know that concrations are diagenetic, but can we find connection between the water body type, that deposited the sediments...

18 September 2016 5,351 6 View

Can somebody confirme that this fossils are natica?

Both are from different parts of South Bulgaria.

18 August 2016 197 3 View

Can sombody tell me, if on those pictures are fossils of Brachiopod and Natica( Gastropod) or maybe they are just concretions?

Both of the specimens are found in upper Miocene sediment strata in Blagoevgrad graben- SW Bulgaria.

17 August 2016 8,334 14 View

What is the best dating method for dating deposits of hydrated iron oxide-hydroxides(limonite)?

The picture attached is an iron hydroxide found in sediment deposits with fluviolacastrine origin.

03 August 2016 4,285 2 View

Any ideas what kind is this rock?

It is harder than steel and glass.

09 July 2016 4,940 45 View

When Ulmus minor was first recorded in East Eroupe or on the Balkans?

I know it is during the Neogene, but I need more detail information.

09 July 2016 3,161 0 View

From what tree is this leaf print?

Found in Neogene deposits.

08 July 2016 7,361 9 View

What kind is this rock?

It is a pebble found in alluvium deposits.

08 July 2016 2,233 14 View